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Query 1 of 63
1 factors
The community administrator needs to configure a change to move VLAN replace info to different switches within the area however not replace its personal native VLAN database. Which two steps ought to the administrator carry out to attain this? (Select two.)
Moreover the VTP area identify and mode needing to be configured, the change should connect with different switches in the identical VTP area via a trunk with a purpose to transmit/obtain VTP info.
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Query 2 of 63
1 factors
Which assertion describes the Autonomous System quantity that’s utilized in EIGRP?
The AS quantity identifies the EIGRP routing course of, and a number of AS numbers might be configured on a router to facilitate a number of EIGRP processes operating on a community. The AS quantity just isn’t related to the worldwide Autonomous System quantity that’s assigned by IANA, as a result of EIGRP is an inside gateway protocol. The reliability of EIGRP and the precedence of networks which can be included in updates will not be linked to AS numbers.
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Query 3 of 63
1 factors
Confer with the exhibit. Which change would be the root bridge after the election course of is full?
The foundation bridge is decided by the bottom bridge ID, which consists of the precedence worth and the MAC tackle. As a result of the precedence values of the entire switches are an identical, the MAC tackle is used to find out the foundation bridge. As a result of S2 has the bottom MAC tackle, S2 turns into the foundation bridge.
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Query 4 of 63
1 factors
Confer with the exhibit. A community administrator is configuring PVST+ for the three switches. What can be a results of getting into these instructions?
In PVST+ configuration, the spanning-tree vlan vlan-id root major world configuration mode command will set the precedence for the change to the predefined worth of 24,576 or to the very best a number of of 4,096, lower than the bottom bridge precedence detected on the community. The spanning-tree vlan vlan-id root secondary world configuration mode command will set the precedence for the change to the predefined worth of 28,672. As a result of S1 is configured with the precedence worth of 12,288 for VLAN 30, S3 needs to be configured with the precedence worth of 8,192 (highest a number of of 4,096 however decrease than 12,288) to grow to be the foundation bridge for VLAN 30.
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Query 5 of 63
1 factors
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Query 6 of 63
1 factors
Confer with the exhibit. Why did R1 and R2 not set up an adjacency?
To ascertain adjacency, each routers should be configured with the identical AS quantity. The community 192.168.0.0 .0.0.255.255 command issued on R1 contains all networks from 192.168.0.0 to 192.168.255.255. Due to this fact, the community 192.168.1.0/24 can be included.
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Query 7 of 63
1 factors
What tackle sort will OSPFv3 use to kind adjacencies to neighboring routers?
OSPF neighbor adjacencies are shaped utilizing the link-local tackle of the interfaces which can be connecting to neighboring routers.
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Query 8 of 63
1 factors
Which OSPF LSA sort is just utilized in multiaccess and NBMA networks?
OSPF sort 2 LSAs are solely flooded on multiaccess and NBMA networks the place a chosen router is elected. The sort 2 LSA is created by the designated router and advertises the router ID of the designated router to different OSPF routers.
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Query 9 of 63
1 factors
Which dynamic routing protocol makes use of hop rely to calculate metric worth?
Completely different routing protocols makes use of totally different metrics to calculate the perfect path via the routed community. RIP makes use of hop rely, EIGRP makes use of bandwidth and delay, and OSPF makes use of value.
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Query 10 of 63
1 factors
By default, EIGRP is ready to use as much as 50 p.c of the bandwidth on an interface for EIGRP messages.
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Query 11 of 63
1 factors
How does implementing STP enable for a scalable community design?
Spanning Tree Protocol (STP) helps the design of a scalable community by stopping Layer 2 loops the place redundant change paths are carried out.
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Query 12 of 63
1 factors
Confer with the exhibit. Which tackle will R1 use because the supply tackle for all OSPFv3 messages that can be despatched to neighbors?
All OSPFv3 messages are sourced from the link-local IPv6 tackle of an interface. Hyperlink native addresses use the prefix FE80::/10.
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Query 13 of 63
1 factors
Which wildcard masks can be used to promote the 192.168.5.96/27 community as a part of an OSPF configuration?
The wildcard masks might be discovered by subtracting the subnet masks from 255.255.255.255.
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Query 14 of 63
1 factors
Confer with the exhibit. A community administrator has configured OSPFv2 on the 2 Cisco routers as proven. The routers are unable to kind a neighbor adjacency. What ought to be completed to repair the issue?
So as to kind OSPFv2 neighbor adjacencies, two related router interfaces should share the identical subnet. Router R2 is proven within the topology with an IP tackle of 192.168.20.5 and doesn’t exist on the identical subnet because the 192.168.20.1 /30 IP tackle of S0/0 on router R1.
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Query 15 of 63
1 factors
What’s one cause to make use of the ip ospf precedence command when the OSPF routing protocol is in use?
The OSPF precedence might be set to a quantity between 0 and 255. The upper the quantity set, the extra probably the router turns into the DR. A precedence 0 stops a router from taking part within the election course of and the router doesn’t grow to be a DR or a BDR.
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Query 16 of 63
1 factors
Confer with the exhibit. A Layer 3 change routes for 3 VLANs and connects to a router for Web connectivity. Which two configurations can be utilized to the change? (Select two.)
The no switchport command permits a change port to be assigned an IP tackle. The port is a routed port at that time. The ip routing command permits routing for a change. Use the interface vlan x command on the change to configure routing for any VLAN that’s connected to the change, together with the administration VLAN. No administration VLAN is proven on this state of affairs, however the instructions interface vlan 5 and interface vlan 6, together with an applicable IP tackle and subnet masks for every VLAN, can be used on the change within the exhibit. There is no such thing as a want so as to add an IP tackle or use the no shutdown command on VLAN 1 as a result of VLAN 1 just isn’t used on this design and since VLAN 1 is “up and up” by default.
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Query 17 of 63
1 factors
Confer with the exhibit. A community administrator has issued the present ip eigrp neighbors command. What might be concluded from the output?
With the present ip eigrp neighbors command, the output contains:
H column – Lists the neighbors within the order that they have been discovered.
Handle – IPv4 tackle of the neighbor.
Interface – Native interface on which this Whats up packet was acquired.
Maintain – Present maintain time. When a Whats up packet is acquired, this worth is reset to the utmost maintain time for that interface, after which counts all the way down to zero. If zero is reached, the neighbor is taken into account down.
Queue Rely – Ought to all the time be zero. If greater than zero, then EIGRP packets wait to be despatched.
Within the output proven, the neighbor router with IP 10.10.10.2 was the primary neighbor discovered by router R1. -
Query 18 of 63
1 factors
Confer with the exhibit. Which command will configure unequal-cost load balancing with EIGRP on the HQ router?
The utmost-paths command is used to configure equal-cost load balancing with EIGRP. The variance command is used to configure unequal-cost load balancing, however the default variance is 1. If the variance is ready to 1, solely routes with the identical metric because the successor are put in within the native routing desk. So, to configure unequal-cost load balancing, the variance 2 command ought to be used.
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Query 19 of 63
1 factors
Confer with the exhibit. Based mostly on the command output proven, what’s the standing of the EtherChannel?
The command output reveals the port channel as SU, which suggests Layer 2 and in use; and the FastEthernet 0/10 and 0/11 interfaces are bundled in port-channel as indicated by the P flag. Configuring the EtherChannel utilizing the channel-group 1 mode on command will trigger the Protocol discipline within the command output to be empty.
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Query 20 of 63
1 factors
Which operate is supplied by EtherChannel?
EtherChannel know-how permits the grouping, or aggregating, of a number of Quick Ethernet or Gigabit change ports into one logical channel.
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Query 21 of 63
1 factors
Which OSPFv3 operate works in another way from OSPFv2?
Each variations of OSPF use the identical 5 primary packet sorts, the price metric, and the DR/BDR election course of. Whats up packets are utilized in each variations to construct adjacencies. OSPFv3, nonetheless, makes use of superior encryption and authentication options which can be supplied by IPsec, whereas OSPFv2 makes use of both plain textual content or MD5 authentication.
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Query 22 of 63
1 factors
What are two necessities to have the ability to configure an EtherChannel between two switches? (Select two.)
All interfaces within the EtherChannel bundle should be assigned to the identical VLAN or be configured as a trunk. If the allowed vary of VLANs just isn’t the identical, the interfaces don’t kind an EtherChannel even when set to auto or fascinating mode.
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Query 23 of 63
1 factors
On what sort of OSPF router is interarea route summarization configured?
Interarea summarization is manually configured on Space Border Routers (ABRs). As a result of ABRs join a number of areas, it’s these routers that may summarize routes earlier than injecting them into one other space. ASBRs are configured with exterior route summarization. Spine and intra-area routers have all interfaces in a single space and will not be in a position to summarize routes into different areas.
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Query 24 of 63
1 factors
Which three steps ought to be taken earlier than shifting a Cisco change to a brand new VTP administration area? (Select three.)
When including a brand new change to a VTP area, it’s important to configure the change with a brand new area identify, the proper VTP mode, VTP model quantity, and password. A change with a better revision quantity can propagate invalid VLANs and erase legitimate VLANs thus stopping connectivity for a number of units on the legitimate VLANs.
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Query 25 of 63
1 factors
Which two instructions are used within the implementation of a dynamic IPv4 routing protocol? (Select two.)
So as to implement RIP, EIGRP, or OSPF, configuration begins by typing router protocol. An instance can be router ospf 1. In IPv4, community statements are added for every immediately related community that’s taking part within the dynamic routing protocol. An instance can be community 192.168.10.0 0.0.0.255 space 0.
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Query 26 of 63
1 factors
What’s the cause for a community engineer to change the default reference bandwidth parameter when configuring OSPF?
By default, Quick Ethernet, Gigabit, and 10 Gigabit Ethernet interfaces all have a value of 1. Altering the default reference bandwidth alters the price calculation, permitting every velocity to be extra precisely mirrored in the price.
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Query 27 of 63
1 factors
Which know-how is an open protocol commonplace that permits switches to robotically bundle bodily ports right into a single logical hyperlink?
LACP, or Hyperlink Aggregation Management Protocol, is outlined by IEEE 802.3ad and is an open commonplace protocol. LACP permits switches to robotically bundle change ports right into a single logical hyperlink to extend bandwidth. PAgP, or Port Aggregation Protocol, performs an analogous operate, however it’s a Cisco proprietary protocol. DTP is Dynamic Trunking Protocol and is used to robotically and dynamically construct trunks between switches. Multilink PPP is used to load-balance PPP visitors throughout a number of serial interfaces.
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Query 28 of 63
1 factors
Confer with the exhibit. The partial configuration that’s proven was used to configure router on a stick for VLANS 10, 30, and 50. Nonetheless, testing reveals that there are some connectivity issues between the VLANs. Which configuration error is inflicting this drawback?
In line with the configuration proven, the router was configured to make use of the incorrect VLAN (500 as an alternative of fifty) on subinterface Fa0/0.50. This can stop units which can be configured on VLAN 50 from speaking with subinterface Fa0/0.50. When configuring subinterfaces, the Fa0/0 interface needs to be configured with no IP tackle, and every subinterface needs to be assigned to a special subnet.
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Query 29 of 63
1 factors
Confer with the exhibit. A community administrator points the present ip protocols command. Based mostly on the exhibited output, what might be concluded?
The output signifies that the Ok values are in default (K1=1, K2=0, K3=1, K4=0, K5=0). The no auto-summary command is used since computerized summarization just isn’t in impact. R1 is promoting the 192.168.1.0 and 10.0.0.0 networks, not receiving ads about them. As much as 4 equal metric paths to the identical vacation spot community can be included within the routing desk for the reason that metric variance parameter is ready to 1.
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Query 30 of 63
1 factors
Which two statements are traits of routed ports on a multilayer change? (Select two.)
Routed ports are bodily ports that act equally to a router interface. They aren’t related to a selected VLAN, they don’t assist subinterfaces, and they’re used for point-to-point hyperlinks. In a switched community, they’re largely configured between switches on the core and distribution layers. To configure routed ports, the no switchport interface command needs to be used on the suitable ports.
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Query 31 of 63
1 factors
Which motion ought to be taken when planning for redundancy on a hierarchical community design?
One methodology of implementing redundancy is path redundancy, which suggests putting in alternate bodily paths for information to traverse the community. Redundant hyperlinks in a switched community assist excessive availability and can be utilized for load balancing, thus decreasing congestion on the community.
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Query 32 of 63
1 factors
Confer with the exhibit. Suppose that routers B, C, and D have a default precedence, and router A has a precedence 0. Which conclusion might be drawn from the DR/BDR election course of?
If the precedence is ready to 0, the router just isn’t able to turning into the DR, so router A can’t be the DR. OSPF DR and BDR elections will not be preemptive. If a brand new router with a better precedence or larger router ID is added to the community after the DR and BDR election, the newly added router doesn’t take over the DR or the BDR function.
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Query 33 of 63
1 factors
A community administrator is troubleshooting the EIGRP routing between two routers, R1 and R2. The issue is discovered to be that just some, however not all networks connected to R1 are listed within the routing desk of router R2. What ought to the administrator examine on router R1 to find out the reason for the issue?
The truth that some networks seem within the routing desk of R2 signifies that there’s primary EIGRP communication between R1 and R2. This excludes the potential of AS quantity mismatch and the interface between R1 and R2 being passive. Whats up interval timers between EIGRP routers shouldn’t have to match. The administrator must guarantee that the community instructions cowl all networks connected to R1 that ought to be marketed.
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Query 34 of 63
1 factors
EIGRP maintains a topology desk that incorporates the entire routes discovered from EIGRP neighbors. The routes will embody successors and possible successors.
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Query 35 of 63
1 factors
Confer with the exhibit. On which router or routers would a default route be statically configured in a company setting that makes use of single space OSPF because the routing protocol?
The default route is utilized to the router that connects to the Web, or R0-A. R0-A then distributes that default route utilizing the OSPF routing protocol.
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Query 36 of 63
1 factors
Confer with the exhibit. What’s going to Router1 do if it receives packets which can be destined to community 172.16.4.0/24?
On this instance Router1 doesn’t have a particular path to the172.16.4.0/24 community. As a result of the 172.16.4.0/24 community falls throughout the 172.16.0.0/18 abstract community path to Null0, this route can be chosen. As a consequence, Router1 will drop the packets destined for the 172.16.4.0/24network. The rationale for Router1 not utilizing the default route is that the Null0 route has an extended matching community masks.
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Query 37 of 63
1 factors
In a big enterprise community, which two features are carried out by routers on the distribution layer? (Select two.)
In a big enterprise community, the availability of a high-speed community spine is a operate of the core layer. Entry layer switches join customers to the community and supply Energy over Ethernet to units. Distribution layer routers present information visitors safety and connections to different networks.
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Query 38 of 63
1 factors
Which two metric weights are set to 1 by default when prices in EIGRP are being calculated? (Select two.)
By default, k1 and k3 are set to 1 and k2, k4, and k5 are set to zero throughout value calculation by the EIGRP course of. There is no such thing as a k6 worth.
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Query 39 of 63
1 factors
Open the PT Exercise. Carry out the duties within the exercise directions after which reply the query.
Which message was displayed on the net server?The three routers R1, R2 and R3 implement EIGRP because the routing protocol. There are two discontiguous networks with no connectivity between them. Computerized summarization is enabled by default on routers R1 and R2, and that is inflicting a routing drawback between discontiguous networks. The answer is to subject the no auto-summary command on every router:
R1(config)# router eigrp 100
R1(conf-router)# no auto-summary
R2(config)# router eigrp 100
R2(conf-router)# no auto-summary
After these instructions are issued, PC1 is ready to entry the net server and the message displayed is “You’ve made it!”. -
Query 40 of 63
1 factors
An administrator is troubleshooting an adjacency subject between two OSPFv3 routers. Which two neighbor states point out a secure adjacency between the routers? (Select two.)
The total and 2way states are two secure OSPF adjacency sorts.
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Query 41 of 63
1 factors
What’s the operate of ASICs in a multilayer change??
ASICs are application-specific built-in circuits and so they enable a multilayer change to ahead IP packets with out calling on the CPU to make routing selections. By utilizing ASICs a change can ahead IP packets virtually as quick as it could possibly ahead Layer 2 frames.
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Query 42 of 63
1 factors
Which two VTP modes enable for the creation, modification, and deletion of VLANs on the native change? (Select two.)
The three VTP modes are server, consumer, and clear. In server VTP mode, the change can create, modify, and delete VLANs and ship this info on to different switches which can be in the identical VTP area. Switches in clear VTP mode can do the identical besides that info just isn’t transmitted to different switches.
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Query 43 of 63
1 factors
IS-IS is a hyperlink state IGP routing protocol that helps classless routing. It’s generally utilized by ISPs and carriers.
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Query 44 of 63
1 factors
Confer with the exhibit. The routing desk on R2 doesn’t embody all networks which can be connected to R1. The community administrator verifies that the community assertion is configured to incorporate these two networks. What’s a potential reason for the difficulty?
The truth that R2 has a path to 172.18.100.0 from R1 signifies that EIGRP is functioning, which excludes the difficulty of an AS quantity not matching. The problem is that either side have a community throughout the Class B 172.16.0.0/16 community. Due to this fact, computerized community summarization should be disabled by the no auto-summary command. If this command just isn’t used, the community assertion with a wild card masks won’t have impact. The passive interface, if configured, will stop EIGRP updates from getting into the 2 networks, however not stop R1 from promoting them to R2.
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Query 45 of 63
1 factors
Which sort of OSPF LSA represents an exterior route and is propagated throughout the complete OSPF area?
Kind 5 LSAs are used for exterior routes and are generated by an ASBR. They’re forwarded into different areas by ABRs.
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Query 46 of 63
1 factors
Confer with the exhibit. What are three outcomes for the DR and BDR elections for the given topologies? (Select three.)
With out ties between them, the elections came about primarily based solely on interface priorities.
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Query 47 of 63
1 factors
Confer with the exhibit. What might be concluded about community 192.168.1.0 within the R2 routing desk?
n a routing desk, the designation O IA means the entry was discovered from an interarea LSA that was generated from an ABR. The C label signifies a community that’s immediately related to an interface on the router. The O label signifies a community that’s marketed by one other router in the identical space. The label O*E2 signifies an exterior community. On this case, the community designation of 0.0.0.0/0 signifies that this exterior community is the default route for all visitors that’s destined for exterior networks.
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Query 48 of 63
1 factors
Confer with the exhibit. A community administrator has related two switches collectively utilizing EtherChannel know-how. If STP is operating, what would be the finish outcome?
Cisco switches assist two protocols for negotiating a channel between two switches: LACP and PAgP. PAgP is Cisco-proprietary. Within the topology proven, the switches are related to one another utilizing redundant hyperlinks. By default, STP is enabled on change units. STP will block redundant hyperlinks to stop loops.
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Query 49 of 63
1 factors
What are two causes to implement passive interfaces within the EIGRP configuration of a Cisco router? (Select two.)
Two major causes for implementing passive interfaces in EIGRP routing are to suppress pointless replace visitors, corresponding to when an interface is a LAN interface with no different routers related, and to extend safety controls, corresponding to stopping unknown rogue routing units from receiving EIGRP updates.
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Query 50 of 63
1 factors
Which mannequin and which two traits can be extra more likely to be thought-about in buying an entry layer change, as in comparison with shopping for switches that function on the different layers of the Cisco hierarchical design mannequin? (Select three.)
Entry layer switches are cheaper and shouldn’t have as many ports or options because the switches that work on the distribution or core layers. The variety of ports which can be wanted is dependent upon the variety of wired units within the space. Entry layer switches are usually mounted configuration switches which have a set variety of ports. Ports on entry layer switches are likely to function at 100 or 1000 Mb/s. Switches that function in any respect three design layers are able to EtherChannel and RSTP. The Catalyst 4500X mannequin change is used on the core design layer.
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Query 51 of 63
1 factors
What’s the order of packet sorts utilized by an OSPF router to determine convergence?
An OSPF router progresses on this order to convergence, utilizing the next packets:
1. Whats up packet, used for OSPF election and establishing neighbor adjacencies
2. DBD packet, used to synchronize databases with neighbors
3. LSR packet, used to request extra info in synchronizing databases
4. LSU packet, used to ship link-state updates to neighbors
5. LSAck packet, used to acknowledge receipt of an LSU -
Query 52 of 63
1 factors
What two STP options are included into Speedy PVST+? (Select two.)
As a result of Speedy PVST+ is a Cisco enhancement of RSTP, it can assist PortFast, BPDU guard, BPDU filter, root guard, and loop guard. Uplink quick and Spine quick are included into the protocol.
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Query 53 of 63
1 factors
Which characteristic of the EIGRP routing protocol can present quick re-convergence with out DUAL recomputation within the occasion of a route failure?
EIGRP avoids DUAL recomputation of routes every time potential by sustaining a listing of backup routes (possible successors) within the topology desk already decided to be loop-free. If the first route (the successor route, which is within the passive state) within the routing desk fails, the perfect backup route is instantly added to the routing desk. A route within the energetic state is within the means of being recomputed by DUAL.
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Query 54 of 63
1 factors
What’s the operate of STP in a scalable community?
STP is a crucial element in a scalable community as a result of it permits redundant bodily connections between Layer 2 units to be carried out with out creating Layer 2 loops. STP prevents Layer 2 loops from forming by disabling interfaces on Layer 2 units once they would create a loop.
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Query 55 of 63
1 factors
Because the community administrator you’ve been requested to implement EtherChannel on the company community. What does this configuration include?
EtherChannel is utilized on a community to extend velocity capabilities by grouping a number of bodily ports into a number of logical EtherChannel hyperlinks between two switches. STP is used to supply redundant hyperlinks that dynamically block or ahead visitors between switches. FHRPs are used to group bodily units to supply visitors stream within the occasion of failure.
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Query 56 of 63
1 factors
Confer with the exhibit. If the change has been configured for PVST+ mode, what command output would substitute the query marks?
Though PVST+ mode is Cisco proprietary, the command output reveals as ieee. In Speedy-PVST mode, the command output reveals as merely rstp.
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Query 57 of 63
1 factors
Confer with the exhibit. An administrator makes an attempt to configure EIGRP for IPv6 on a router and receives the error message that’s proven. Which command should be issued by the administrator earlier than EIGRP for IPv6 might be configured?
Earlier than EIGRP for IPv6 might be configured on a router, routing for IPv6 should be configured. That is achieved by issuing the worldwide configuration command ipv6 unicast-routing.
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Query 58 of 63
1 factors
For troubleshooting lacking EIGRP routes on a router, what three forms of info might be collected utilizing the present ip protocols command? (Select three.)
The present ip protocols command verifies whether or not computerized summarization is getting used on the native router, whether or not any interfaces on the native router are configured as passive interfaces, whether or not a community just isn’t marketed to EIGRP neighbors, and whether or not any ACLs are utilized to EIGRP.
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Query 59 of 63
1 factors
By which IOS CLI mode should a community administrator subject the maximum-paths command to configure load balancing in EIGRP?
The utmost-paths command should be issued within the router configuration mode to load steadiness as much as 32 routes.
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Query 60 of 63
1 factors
A community engineer is configuring a LAN with a redundant first hop to make higher use of the obtainable community assets. Which protocol ought to the engineer implement?
Gateway Load Balancing Protocol (GLBP) supplies load sharing between a gaggle of redundant routers whereas additionally defending information visitors from a failed router or circuit.
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Query 61 of 63
1 factors
Match the step sequence to the multiarea OSPF route calculation course of. (Not all choices are used.)
- calculate the perfect paths to exterior autonomous system vacation spot
- calculate the perfect paths to intra-area locations
- calculate the perfect paths to different space networks throughout the internetwork
- calculate the perfect paths for default routes
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Query 62 of 63
1 factors
Match the switched LAN drawback to the proper symptom. (Not all choices are used.)
- A number of copies of unicast frames are delivered to vacation spot stations
- All units within the area obtain the body and an infinite loop can happen
- Copies of the identical body are acquired on totally different put up of the change
- Corruption of the VLAN database
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a number of body transmission
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Query 63 of 63
1 factors
Query as introduced:
- The port receives BPDU frames however the not ahead frames
- The port doesn’t take part in spanning tree and doesn’t ahead frames
- the port prepares to take part in frames forwarding and start to populate the MAC tackle desk
- The port receives BPDU frames and transmits its personal BPDU frames in getting ready to take part within the energetic topology
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