DCOM 219 FINAL EXAM STUDY GUIDE

Which destination MAC address is used when a multicast EIGRP packet is encapsulated into an Ethernet frame?

01-00-5E-00-00-0A

By default, what is the OSPF cost for any link with a bandwidth of 100 Mb/s or greater?

1

Refer to the exhibit. A network administrator has been asked to summarize the networks shown in the exhibit as part of a multiarea OSPF implementation. All addresses are using a subnet mask of 255.255.255.0. What is the correct summarization for these eight networks?

10.0.0.0 255.255.240.0

Refer to the exhibit. Which two routes will be advertised to the router ISP if autosummarization is disabled? (Choose two.)

10.1.2.0/24 10.1.4.0/30

Refer to the exhibit. Which two networks contain feasible successors? (Choose two.)

10.44.100.252 192.168.71.0

Refer to the exhibit. An administrator wants EIGRP on Router1 to load balance traffic to network 2001:db8:11:10::/64 across two interfaces. Currently traffic is using only interface GigabitEthernet0/1. A second route, not in the routing table, is available with a metric of 264000. What value is needed in the variance command to make EIGRP put the second route into the routing table?

11

If all router Ethernet interfaces in an EIGRP network are configured with the default EIGRP timers, how long will a router wait by default to receive an EIGRP packet from its neighbor before declaring the neighbor unreachable?

15 seconds

What is the administrative distance of a static route that has been redistributed into EIGRP?

170

What is the administrative distance of externally learned EIGRP routes?

170

Refer to the exhibit. All networks are active in the same EIGRP routing domain. When the auto-summary command is issued on R3, which two summary networks will be calculated on R3? (Choose two.)

172.16.0.0/16 192.168.10.0/24

Refer to the exhibit. A network engineer is troubleshooting host connectivity on a LAN that uses a first hop redundancy protocol. Which IPv4 gateway address should be configured on the host?

192.168.2.100

Which two networks are part of the summary route 192.168.32.0/22? (Choose two.)

192.168.35.0/24 192.168.33.0/24

Refer to the exhibit. R3 has two possible paths to the 172.16.99.0 network. What is the reported distance of the feasible successor route?

2816

By default, how many equal-cost routes to the same destination network will EIGRP install in the routing table?

4

Fill in the blank. Use a number. A type __ LSA identifies the ASBR and provides a route to it.

4

Refer to the exhibit. What the amount of time that has elapsed since the router received a hello packet?

4 seconds

Fill in the blank. Use a number. An ASBR generates type __ LSAs for each of its external routes and floods them into the area that it is connected to.

5

What is the default maximum amount of bandwidth that can be used for exchanging EIGRP messages on an EIGRP-configured interface?

50%

Which spanning tree standard supports only one root bridge so that traffic from all VLANs flows over the same path?

802.1D

Refer to the exhibit. Which statement is supported by the output?

A default route is being learned through an external process.

Which statement describes an EtherChannel implementation?

A trunked port can be part of an EtherChannel bundle.

Refer the the exibit. What is the role of router R2 in the OSPF domain?

ABR

Refer to the exibit. What is the role of router R2 in the OSPF domain?

ABR

Which type of OSPF router has interfaces connected to multiple OSPF areas?

ABR

Which type of OSPF router will generate type 3 LSAs?

ABR

Fill in the blank.In an EIGRP topology table, a route that is in a/an ________ state will cause the Diffusing Update Algorithm to send EIGRP queries that ask other routers for a path to this network.

Active

Refer to the exhibit. Router R3 is receiving multiple routes through the EIGRP routing protocol. Which statement is true about the implementation of summarization in this network?

Automatic summarization is disabled on R3.

Which dynamic routing protocol was developed as an exterior gateway protocol to interconnect different Internet providers?

BGP

Which Cisco switch feature ensures that configured switch edge ports do not cause Layer 2 loops if a port is mistakenly connected to another switch?

BPDU guard

What is a characteristic of a Layer 2 loop?

Broadcast frames are forwarded back to the sending switch.

Open the PT Activity. Perform the tasks in the activity instructions and then answer the question. Which code is displayed on the web server?

Complete

Open the PT Activity. Perform the tasks in the activity instructions and then complete the task. What message is displayed on www.ciscoville.com?

Completion!

Which two steps must be taken in order to send a default route to other EIGRP routers? (Choose two.)

Configure a default route. Redistribute the default route.

Refer to the exhibit. Routers R1 and R2 are directly connected via their serial interfaces and are both running the EIGRP routing protocol. R1 and R2 can ping the directly connected serial interface of their neighbor, but they cannot form an EIGRP neighbor adjacency. What action should be taken to solve this problem?

Configure both routers with the same EIGRP autonomous system number.

Fill in the blank. OSPF uses _______ as a metric.

Cost

What is the metric that is used by OSPF?

Cost

Open the PT Activity. Perform the tasks in the activity instructions and then answer the question. Which routers are the DR and BDR in this topology?

DR:R3 BDR:R5

Which three steps in the design and implementation of a multiarea OSPF network are considered planning steps? (Choose three.)

Define the network requirements. Gather the required parameters. Define the OSPF parameters.

A network administrator is researching routing protocols for implementation in a critical network infrastructure. Which protocol uses the DUAL algorithm to provide almost instantaneous convergence during a route failover?

EIGRP

After a network topology change occurs, which distance vector routing protocol can send an update message directly to a single neighboring router without unnecessarily notifying other routers?

EIGRP

Which routing protocol supports unequal-cost load balancing on Cisco routers?

EIGRP

Which two routing protocols are classified as distance vector routing protocols? (Choose two.)

EIGRP RIP

When an EIGRP-enabled router uses a password to accept routes from other EIGRP-enabled routers, which mechanism is used?

EIGRP authentication

Open the PT Activity. Perform the tasks in the activity instructions and then answer the question. R1 and R2 could not establish an EIGRP adjacency. What is the problem?

EIGRP is down on R1.

Which statement describes a characteristic of the delivery of EIGRP update packets?

EIGRP uses a reliable delivery protocol to send all update packets.

How are IP addressing designs affected by VLAN implementations?

Each VLAN must have a different network number

Refer to the exhibit. Which switching technology would allow each access layer switch link to be aggregated to provide more bandwidth between each Layer 2 switch and the Layer 3 switch?

EtherChannel

Which three addresses could be used as the destination address for OSPFv3 messages? (Choose three.)

FE80::1 FF02::6 FF02::5

Refer to the exhibit. A network administrator is configuring inter-VLAN routing. However, the communication between VLAN 10 and VLAN 20 fails. Based on the output of the show vlancommand, what is the cause of the problem?

Gi1/1 and Gi1/2 are not assigned to their respective VLANs.

Refer to the exhibit. A network administrator has configured OSPFv2 on the two Cisco routers but PC1 is unable to connect to PC2. What is the most likely problem?

Interface Fa0/0 has not been activated for OSPFv2 on router R2.

Refer to the exhibit. PC1 is unable to communicate with server 1. The network administrator issues the show interfaces trunk command to begin troubleshooting. What conclusion can be made based on the output of this command?

Interface G0/2 is not configured as a trunk.

What is the difference between interior and exterior routing protocols?

Interior routing protocols are used to communicate within a single autonomous system. Exterior routing protocols are used to communicate between multiple autonomous systems.

A network administrator has just changed the router ID on a router that is working in an OSPFv2 environment. What should the administrator do to reset the adjacencies and use the new router ID?

Issue the clear ip ospf process privileged mode command.

What are two functions of a router? (Choose two.)

It connects multiple IP networks. It determines the best path to send packets.

Which three statements are advantages of using automatic summarization? (Choose three.)

It decreases the number of entries in the routing table. It reduces the frequency of routing updates. It ensures that traffic for multiple subnets uses one path through the internetwork.

Which statement is true regarding the use of PAgP to create EtherChannels?

It is Cisco proprietary.

Which statement describes a characteristic of EtherChannel?

It is made by combining multiple physical links that are seen as one link between two switches.

What is a characteristic of a routed port on a Layer 3 switch?

It is not assigned to a VLAN.

What is a characteristic of in-band device management?

It is used to monitor and make configuration changes to a network device over a network connection.

What is the first step taken by a newly configured OSPF router in the process of reaching a state of convergence?

It learns about directly connected links in an active state.

What is the purpose of HSRP?

It provides a continuous network connection when a router fails.

Which OPSF packet contains the different types of link-state advertisements?

LSU

Which two protocols are used to implement EtherChannel? (Choose two.)

Link Aggregation Control Protocol Port Aggregation Protocol

A network administrator is preparing the implementation of Rapid PVST+ on a production network. How are the Rapid PVST+ link types determined on the switch interfaces?

Link types are determined automatically.

Which three components are combined to form a bridge ID?

MAC address extended system ID bridge priority

Which protocol provides up to 16 instances of RSTP, combines many VLANs with the same physical and logical topology into a common RSTP instance, and provides support for PortFast, BPDU guard, BPDU filter, root guard, and loop guard?

MST

What is a disadvantage of using multilayer switches for inter-VLAN routing?

Multilayer switches are more expensive than router-on-a-stick implementations.

Which statement describes a characteristic of Cisco Catalyst 2960 switches?

New Cisco Catalyst 2960-C switches support PoE pass-through.

What is the outcome of a Layer 2 broadcast storm?

New traffic is discarded by the switch because it is unable to be processed.

Refer to the exhibit. The switch does the routing for the hosts that connect to VLAN 5. If the PC accesses a web server from the Internet, at what point will a VLAN number be added to the frame?

No VLAN number is added to the frame in this design.

A network administrator is verifying a multi-area OSPF configuration by checking the routing table on a router in area 1. The administrator notices a route to a network that is connected to a router in area 2. Which code appears in front of this route in the routing table within area 1?

O IA

What routing table descriptor is used to identify OSPF summary networks that originate from an ABR?

O IA

Which routing protocol is designed to use areas to scale large hierarchical networks?

OSPF

Which routing protocol uses link-state information to build a map of the topology for computing the best path to each destination network?

OSPF

Which two protocols are link-state routing protocols? (Choose two.)

OSPF IS-IS

What is a disadvantage of deploying OSPF in a large single area routing environment?

OSPF uses excessive LSP flooding.

Refer to the exhibit. A network administrator has decided that an EtherChannel between ports 0/1 and 0/2 on switches S1 and S2 would help performance. After making the configuration, the administrator notices no performance gain. Based on the output that is shown, what two possible assumptions could a network administrator make? (Choose two.)

One of the ports on S2 was not configured correctly. The EtherChannel bundle is not working.

Refer to the exhibit. Which devices exist in the failure domain when switch S3 loses power?

PC_3 and AP_2

What is an advantage of PVST+?

PVST+ optimizes performance on the network through load sharing.

Refer to the exhibit. What are three resulting DR and BDR elections for the given topology? (Choose three.)

R1 is DR for segment A. R2 is BDR for segment A. R5 is BDR for segment B.

A network administrator would like to ensure that router R1 is always elected the active router for an HSRP group. Which set of commands would ensure the required results?

R1(config-if)# ip address 192.168.1.100 255.255.255.0 R1(config-if)# standby 1 ip 192.168.1.1 R1(config-if)# standby 1 priority 255 R1(config-if)# standby 1 preempt R1(config-if)# no shutdown

Refer to the exhibit. OSPF is used in the network. Which path will be chosen by OSPF to send data packets from Net A to Net B?

R1, R3, R5, R7

Refer to the exhibit. A network administrator has configured RIPv2 in the given topology. Which path would a packet take to get from the LAN that is connected to R1 to the LAN that is connected to R7?

R1-R2-R6-R7

The graphic shows some partial output of the show ipv6 route command: Refer to the exhibit. What two conclusions can be drawn based on the output of the show ipv6 route command? (Choose two.)

R2 receives default route information from another router. Route 2001:DB8:CAFE:B001::/64 is a route advertised by an ABR.

Which routing protocol sends a routing update to neighboring routers every 30 seconds?

RIP

Refer to the exhibit. After attempting to enter the configuration that is shown in router RTA, an administrator receives an error and users on VLAN 20 report that they are unable to reach users on VLAN 30. What is causing the problem?

RTA is using the same subnet for VLAN 20 and VLAN 30.

Fill in the Blank. Use the abbreviation. EIGRP uses the protocol ______ to deliver EIGRP packets to neighbors.

RTP

What protocol is use by EIGRP to deliver EIGRP packets to neighbors?

RTP

A network administrator is planning redundant devices and cabling in a switched network to support high availability. Which benefit will implementing the Spanning Tree Protocol provide to this design?

Redundant paths can be available without causing logical Layer 2 loops.

Which command should the network administrator implement to prevent the transfer of DTP frames between a Cisco switch and a non-Cisco switch?

S1(config-if)# switchport nonegotiate

An EtherChannel link using LACP was formed between two switches, S1 and S2. While verifying the configuration, which mode combination could be utilized on both switches?

S1-passive and S2-active

Which two types of spanning tree protocols can cause suboptimal traffic flows because they assume only one spanning-tree instance for the entire bridged network? (Choose two.)

STP RSTP

A network administrator is configuring an EtherChannel link between switches SW1 and SW2 by using the command SW1(config-if-range)# channel-group 1 mode passive. Which command must be used on SW2 to enable this EtherChannel?

SW2(config-if-range)# channel-group 1 mode active

Which command must be used on SW2 to enable this EtherChannel?

SW2(config-if-range)# channel-group 1 mode desirable

Refer to the exhibit. Which switch will be elected the root bridge and which switch will place a port in blocking mode? (Choose two.)

SW3 will become the root bridge. SW4 will get a port blocked.

What is a best practice to use before beginning an EtherChannel implementation?

Shut down each of the affected interfaces.

What port type is used to interconnect switches in a switch stack?

StackWise

Open the PT Activity. Perform the tasks in the activity instructions and then answer the question. Which switch is the root bridge?

Switch_4

What is a characteristic of VTP?

Switches in VTP transparent mode forward VTP advertisements.

Refer to the exhibit. What three conclusions can be drawn from the displayed output? (Choose three.)

The DR can be reached through the GigabitEthernet 0/0 interface. There have been 9 seconds since the last hello packet sent. The router ID values were not the criteria used to select the DR and the BDR.

Refer to the exhibit. Based on the command output shown, what is the status of the EtherChannel?

The EtherChannel is in use and functional as indicated by the SU and P flags in the command output.

Refer to the exhibit. A network administrator issued the show etherchannel summary command on the switch S1. What conclusion can be drawn?

The EtherChannel is not functional.

Refer to the exhibit. An EtherChannel was configured between switches S1 and S2, but the interfaces do not form an EtherChannel. What is the problem?

The EtherChannel was not configured with the same allowed range of VLANs on each interface.

Refer to the exhibit. Communication between the VLANs is not occurring. What could be the issue?

The Gi1/1 switch port is not in trunking mode.

Refer to the exhibit. Remote users are experiencing connectivity problems when attempting to reach hosts in the 172.21.100.0 /24 network. Using the output in the exhibit, what is the most likely cause of the connectivity problem?

The GigabitEthernet 0/1 interface is not participating in the EIGRP process.

Refer to the exhibit. After the configuration shown is applied on router R1, the exhibited status message is displayed. Router R1 is unable to form a neighbor relationship with R2 on the serial 0/1/0 interface. What is the most likely cause of this problem?

The IPv4 address configured on the neighbor that is connected to R1 serial 0/1/0 is incorrect.

A network administrator enters the command ipv6 router ospf 64 in global configuration mode. What is the result of this command?

The OSPFv3 process will be assigned an ID of 64.

What is a requirement to configure a trunking EtherChannel between two switches?

The allowed range of VLANs must be the same on both switches.

Refer to the exhibit. A network administrator is configuring OSPF for R1 and R2, but the adjacency cannot be established. What is the cause of the issue?

The area ID is misconfigured.

Refer to the exhibit. Which two conclusions can be drawn from the exhibited configuration? (Choose two.)

The configuration supports unequal-cost load balancing. Any EIGRP-learned route with a metric less than 3 times the successor metric will be installed in the local routing table.

An OSPF enabled router is processing learned routes to select best paths to reach a destination network. What is the OSPF algorithm evaluating as the metric?

The cumulative bandwidth that is used along the routing path.

A network engineer has manually configured the hello interval to 15 seconds on an interface of a router that is running OSPFv2. By default, how will the dead interval on the interface be affected?

The dead interval will now be 60 seconds.

Refer to the exhibit. A network administrator is verifying the configuration of inter-VLAN routing. Users complain that PC2 cannot communicate with PC1. Based on the output, what is the possible cause of the problem?

The encapsulation dot1Q 5 command contains the wrong VLAN.

Open the PT Activity. Perform the tasks in the activity instructions and then answer the question. Why are users in the OSPF network not able to access the Internet?

The network statement is misconfigured on router R1.

The graphic shows the partial output of the show ip route command: Refer to the exhibit. What can be concluded about network 192.168.4.0 in the R2 routing table?

The network was learned from a router within the same area as R2.

Which configuration is necessary to ensure successful operation of EIGRP for IPv6?

The no shutdown command is required within the router configuration mode.

What happens to switch ports after the VLAN to which they are assigned is deleted?

The ports stop communicating with the attached devices.

To obtain an overview of the spanning tree status of a switched network, a network engineer issues the show spanning-tree command on a switch. Which two items of information will this command display? (Choose two.)

The role of the ports in all VLANs. The root bridge BID.

Refer to the exhibit. What is indicated by the O IA in the router output?

The route was learned from another area.

Open the PT Activity. Perform the tasks in the activity instructions and then answer the question. What is preventing users who are connected to router R2 from accessing resources located either within the network 192.168.1.0 or the internet?

The router R2 is not receiving any updates from either router R1 or R3.

Which two requirements are necessary before a router configured with a link-state routing protocol can build and send its link-state packets? (Choose two.)

The router has determined the costs associated with its active links. The router has established its adjacencies.

Refer to the exhibit. What statement is true about the output of the show standby command?

The router is currently forwarding packets.

Which condition will cause DUAL to put an EIGRP route into the active state?

The successor is no longer available and there is no feasible successor.

Refer to the exhibit. R1 and R2 are connected to the same LAN segment and are configured to run OSPFv3. They are not forming a neighbor adjacency. What is the cause of the problem?

The timer intervals of R1 and R2 do not match.

Open the PT Activity. Perform the tasks in the activity instructions and then answer the question. What are two reasons why the ping messages that are issued from Laptop0 towards Laptop1 are failing? (Choose two.)

The two interfaces on each of the switches belong to different VLANs. The channel group should be configured as a trunk on each switch.

Refer to the exhibit. Directly connected networks configured on router R1 are not being shared with neighboring routers through OSPFv3. What is the cause of the issue?

There is a mismatch of OSPF process ID in commands.

Refer to the exhibit. A router-on-a-stick configuration was implemented for VLANs 15, 30, and 45, according to the show running-config command output. PCs on VLAN 45 that are using the 172.16.45.0 /24 network are having trouble connecting to PCs on VLAN 30 in the 172.16.30.0 /24 network. Which error is most likely causing this problem?

There is an incorrect IP address configured on GigabitEthernet 0/0.30.

Which statement describes a characteristic of Cisco Meraki switches?

They are cloud-managed access switches that enable virtual stacking of switches.

Which characteristic describes both ABRs and ASBRs that are implemented in a multiarea OSPF network?

They are required to perform any summarization or redistribution tasks.

What happens when two link-state routers stop receiving hello packets from neighbors?

They consider the neighbor to be unreachable and the adjacency is broken.

What happens immediately after two OSPF routers have exchanged hello packets and have formed a neighbor adjacency?

They exchange abbreviated lists of their LSDBs.

What is the function of ASICs in a multilayer switch?

They streamline forwarding of IP packets in a multilayer switch by bypassing the CPU.

When checking a routing table, a network technician notices the following entry: O*E2 0.0.0.0/0 [110/1] via 192.168.16.3, 00:20:22, Serial0/0/0 What information can be gathered from this output?

This route is a propagated default route.

Given the following configuration, which two statements are true? (Choose two.) switch(vlan)# vtp version 2 switch(vlan)# vtp mode server switch(vlan)# vtp domain Cisco switch(vlan)# vtp password mypassword

This switch can send and receive advertisements from only the Cisco domain. This switch can create, modify, and delete all VLANs within the Cisco domain.

Refer to the exhibit. Which two statements are correct? (Choose two.)

To reach network 192.168.1.0, traffic will exit via the Serial0/0/0 interface​. The routing table contains routes from multiple areas.

How is traffic routed between multiple VLANs on a multilayer switch?

Traffic is routed via internal VLAN interfaces.

Refer to the exhibit. Which trunk link will not forward any traffic after the root bridge election process is complete?

Trunk2

Which two statements correctly describe OSPF type 3 LSAs? (Choose two.)

Type 3 LSAs are used to update routes between OSPF areas. Type 3 LSAs are generated without requiring a full SPF calculation.​

Assuming that EIGRP is enabled on both routers and automatic summarization is enabled, what must be configured to ensure that R1 will be able to reach the 2.2.2.0/24 network?

Use the command no auto-summary to disable automatic summarization.

Open the PT Activity. Perform the tasks in the activity instructions and then answer the question. A network administrator is configuring multiarea OSPFv3 on the routers. The routing design requires that the router RT1 is a DROTHER for the network in Area 0 and the DR for the network in Area 1. Check the settings and status of the routers. What can the administrator do to ensure that RT1 will meet the design requirement after all routers restart?

Use the ipv6 ospf priority 10 command on the interface g0/2 of RT1.

What additional information is contained in the 12-bit extended system ID of a BPDU?

VLAN ID

Which nonproprietary protocol provides router redundancy for a group of routers which support IPv4 LANs?

VRRPv2

Which two VTP parameters must be identical on all switches in the network in order to participate in the same VTP domain? (Choose two.)

VTP domain password VTP domain name

Which statement is an incorrect description of the OSPF protocol?

When compared with distance vector routing protocols, OSPF utilizes less memory and less CPU processing power.

Refer to the exhibit. Which conclusion can be drawn from this OSPF multiaccess network?

With an election of the DR, the number of adjacencies is reduced from 6 to 3.

Which two events will trigger the sending of a link-state packet by a link-state routing protocol? (Choose two.)

a change in the topology the initial startup of the routing protocol process

What are two ways to access a Cisco switch for out-of-band management? (Choose two.)

a connection that uses the AUX port*a connection that uses the AUX port a connection that uses the console port

A network engineer is reviewing a network design that uses a fixed configuration enterprise router that supports both LAN and WAN connections. However, the engineer realizes that the router does not have enough interfaces to support growth and network expansion. Which type of device should be used as a replacement?

a modular router

Refer to the exhibit. R2 has two possible paths to the 192.168.10.4 network. What would make the alternate route meet the feasibility condition?

a reported distance less than 3523840

Which action should be taken when planning for redundancy on a hierarchical network design?

add alternate physical paths for data to traverse the network

Which two events will cause the VTP revision number on a VTP server to change? (Choose two.)

adding VLANs changing the VTP domain name

What is used to create the OSPF neighbor table? C

adjacency database

Which two components of an LSP enable an OSPF router to determine if the LSP that is received contains newer information than what is in the current OSPF router link-state database? (Choose two.)

aging information sequence numbers

What is maintained within an EIGRP topology table?

all routes received from neighbors

What is an advantage of using LACP?

allows automatic formation of EtherChannel links

What is the function of PoE pass-through?

allows switches, phones, and wireless access points to receive power over existing Ethernet cables from an upstream switch

What does a Cisco router use automatically to create link-local addresses on serial interfaces when OSPFv3 is implemented?

an Ethernet interface MAC address available on the router, the FE80::/10 prefix, and the EUI-64 process

What will an OSPF router prefer to use first as a router ID?

any IP address that is configured using the router-id command

The network administrator has been asked to summarize the routes for a new OSPF area. The networks to be summarized are 172.16.8.0, 172.16.10.0, and 172.16.12.0 with subnet masks of 255.255.255.0 for each network. Which command should the administrator use to forward the summary route for area 15 into area 0?

area 15 range 172.16.8.0 255.255.248.0

An administrator issues the router eigrp 100 command on a router. What is the number 100 used for?

as the autonomous system number

Which two requirements must always be met to use in-band management to configure a network device? (Choose two.)

at least one network interface that is connected and operational Telnet, SSH, or HTTP access to the device

A new network administrator has been asked to verify the metrics that are used by EIGRP on a Cisco device. Which two EIGRP metrics are measured by using static values on a Cisco device? (Choose two.)

bandwidth delay

Refer to the exhibit. Considering that R2, R3, and R4 are correctly configured, why did R1 not establish an adjacency with R2, R3, and R4?

because the Fa0/0 interface of R1 is declared as passive for EIGRP

How can an enterprise network be designed to optimize bandwidth?

by organizing the network to control traffic patterns

Fill in the blank. Do not use acronyms. OSPF type 2 LSA messages are only generated by the _______ router to advertise routes in multiaccess networks.

designated

What are two purposes of dynamic routing protocols? (Choose two.)

discover remote networks select best path to destination networks

What function is performed by the OSPF designated router?

dissemination of LSAs

In the Cisco Enterprise Architecture, which two functional parts of the network are combined to form a collapsed core design? (Choose two.)

distribution layer

Which three options must match in order to establish an EtherChannel between two directly connected switches? (Choose three.)

duplex settings of the interfaces that are used for EtherChannel VLAN memberships of the interfaces that are used for EtherChannel speed of the interfaces that are used for EtherChannel

Which RSTP ports are connected to end devices?

edge ports

Which two features of enterprise class equipment assists an enterprise network in maintaining 99.999 percent up-time? (Choose two.)

failover capabilities redundant power supplies

When a Cisco IOS device is being selected or upgraded, which option indicates the capabilities of the Cisco IOS device?

feature set

Which port state will switch ports immediately transition to when configured for PortFast?

forwarding

In which two PVST+ port states are MAC addresses learned? (Choose two.)

forwarding learning

In which two port states does a switch learn MAC addresses and process BPDUs in a PVST network? (Choose two.)

forwarding learning

What capability is provided by the use of application-specific integrated circuits in Cisco multilayer switches?

forwarding of IP packets independent of the CPU

What are three access layer switch features that are considered when designing a network? (Choose three.)?

forwarding rate Power over Ethernet port density

As the network administrator you have been asked to implement EtherChannel on the corporate network. What does this configuration consist of?

grouping multiple physical ports to increase bandwidth between two switches

Which two EIGRP packet types are sent with unreliable delivery? (Choose two.)

hello acknowledgment

Which two parameters must match between neighboring OSPF routers in order to form an adjacency? (Choose two.)

hello / dead timers network types

Where is the vlan.dat file stored on a switch?

in flash memory

What are two benefits of extending access layer connectivity to users through a wireless medium? (Choose two.)

increased flexibility reduced costs

Open the PT Activity. Perform the tasks in the activity instructions and then answer the question. Fill in the blank. Do not use abbreviations.Which command is missing on the Layer 3 switch to restore the full connectivity between PC1 and the web server? (Note that typing no shutdown will not fix this problem.)

ip address 192.168.20.1 255.255.255.0

Two routers, R1 and R2, share a 64 kb/s link. An administrator wants to limit the bandwidth used by EIGRP between these two routers to 48 kb/s. Which command is used on both routers to configure the new bandwidth setting?

ip bandwidth-percent eigrp 100 75

Single area OSPFv3 has been enabled on a router via the ipv6 router ospf 20 command. Which command will enable this OSPFv3 process on an interface of that router?

ipv6 ospf 20 area 0

When a network engineer is configuring OSPFv3 on a router, which command would the engineer issue immediately before configuring the router ID?

ipv6 router ospf 10

Which three metric weights are set to zero by default when costs in EIGRP are being calculated? (Choose three.)

k5 k2 k4

Which OSPF component is identical in all routers in an OSPF area after convergence?

link-state database

What three states are transient OPSF neighbor states that indicate a stable adjacency is not yet formed between two routers? (Choose three.)

loading exstart exchange

If no bridge priority is configured in PVST, which criteria is considered when electing the root bridge?

lowest MAC address

What are two reasons that will prevent two routers from forming an OSPFv2 adjacency? (Choose two.)

mismatched OSPF Hello or Dead timers mismatched subnet masks on the link interfaces

Fill in the blank. Do not use abbreviations. The spanning-tree _______ global configuration command is used to enable Rapid PVST+.

mode rapid-pvst

Fill in the blank.The election of a DR and a BDR takes place on _________ networks, such as Ethernet networks.

multiaccess

Open the PT Activity. Perform the tasks in the activity instructions and then answer the question. Fill in the blank. Do not use abbreviations. What is the missing command on router R2 to establish an adjacency between routers R1 and R3?

network 172.16.10.0 0.0.0.255 area 0

Refer to the exhibit. Fill in the blank. Do not use abbreviations. The ____________________ command must be issued to configure R1 for multiarea OSPF.​

network 192.168.10.128 0.0.0.127 area 1

Which command or commands must be entered on a serial interface of a Cisco router to restore the bandwidth to the default value of that specific router interface?

no bandwidth

A network engineer suspects that OSPFv3 routers are not forming neighbor adjacencies because there are interface timer mismatches. Which two commands can be issued on the interface of each OSFPv3 router to resolve all timer mismatches? (Choose two.)

no ipv6 ospf dead-interval no ipv6 ospf hello-interval

In which situation would a network administrator install a Cisco Nexus Series or Cisco Catalyst 6500 Series switch to promote infrastructure scalability?

on a data center network to provide expansion and transport flexibility

When a Cisco router is configured with a fast-switching, how are packets distributed over equal-cost paths?

on a per-destination basis

When a Cisco router is configured with fast-switching, how are packets distributed over equal-cost paths?

on a per-destination basis

What information does EIGRP maintain within the routing table?

only successors

Fill in the blank. Do not use abbreviations. The _____________ command causes an EIGRP router to stop sending hello packets through an interface.

passive-interface

What is the purpose of the Spanning Tree Protocol (STP)?

prevents Layer 2 loops

What term is used to express the thickness or height of a switch?

rack unit

Fill in the blank. Do not use abbreviations. The command to propagate the default route from the router Border to the rest of the EIGRP domain is Border(config-router)# ______

redistribute static

Which two network design features require Spanning Tree Protocol (STP) to ensure correct network operation? (Choose two.)

redundant links between Layer 2 switches removing single points of failure with multiple Layer 2 switches

Refer to the exhibit. What is the role of the SW3 switch?

root bridge

Which feature provides secure routing updates between RIPv2 neighbors?

routing protocol authentication

Fill in the blank. In a Cisco switch, the extended range VLAN information is stored in the_____________file.

running configuration

On a Cisco switch, where is extended range VLAN information stored?

running configuration file

Which two pieces of information are used by the OSPF MD5 algorithm to generate a signature? (Choose two.)

secret key OSPF message

A network administrator wants to verify the default delay values for the interfaces on an EIGRP-enabled router. Which command will display these values?

show interfaces

Which command displays the encapsulation type, the voice VLAN ID, and the access mode VLAN for the Fa0/1 interface?

show interfaces Fa0/1 switchport

Which command can be used to view the OSPF hello and dead time intervals?

show ip ospf interface

Which command will a network engineer issue to verify the configured hello and dead timer intervals on a point-to-point WAN link between two routers that are running OSPFv2?

show ip ospf interface serial 0/0/0

Which command can be issued on a router to verify that automatic summarization is enabled?

show ip protocols

Which command should be used to check the OSPF process ID, the router ID, networks the router is advertising, the neighbors the router is receiving updates from, and the default administrative distance?

show ip protocols

Which verification command would identify the specific interfaces on a router that were configured with the passive-interface command?

show ip protocols

An administrator is troubleshooting OSPFv3 adjacency issues. Which command would the administrator use to confirm that OSPFv3 hello and dead intervals are matching between routers?

show ipv6 ospf interface

Which command will verify that a router that is running OSPFv3 has formed an adjacency with other routers in its OSPF area?

show ipv6 ospf neighbor

Which command will provide information specific to OSPFv3 routes in the routing table?

show ipv6 route ospf

Refer to the exhibit. Which command was issued on a Cisco switch that resulted in the exhibited output?

show port-security address

Immediately after a router completes its boot sequence, the network administrator wants to check the routers configuration. From privileged EXEC mode, which of the following commands can the administrator use for this purpose? (Choose two.)

show startup-config show running-config

Which STP priority configuration would ensure that a switch would always be the root switch?

spanning-tree vlan 10 priority 0

What are two expected features of modern enterprise networks? (Choose two.)

support for converged network traffic support for critical applications

Which PAgP mode combination will establish an EtherChannel?

switch 1 set to desirable; switch 2 set to desirable.

A network technician needs to connect a PC to a Cisco network device for initial configuration. What is required to perform this device configuration?

terminal emulation client

What is identified within the opcode of an EIGRP packet header?

the EIGRP message type that is being sent or received from a neighbor

In the context of routing protocols, what is a definition for time to convergence?

the amount of time for the routing tables to achieve a consistent state after a topology change

Which type of information is displayed by the show ip protocols command that is issued from a router command prompt?

the configured routing protocols and the networks that the router is advertising

What network design would contain the scope of disruptions on a network should a failure occur?

the deployment of distribution layer switches in pairs and the division of access layer switch connections between them

Which two factors does an EIGRP router use to determine that a route to a remote network meets the feasible condition and is therefore loop-free? (Choose two.)

the feasible distance on the local router the reported distance on a neighbor router

What information is contained within an OSPF type 4 LSA?

the route to an ASBR

Which table is used by EIGRP to store all routes that are learned from EIGRP neighbors?

the topology table

What is used to facilitate hierarchical routing in OSPF?

the use of multiple areas

Which design feature will limit the size of a failure domain in an enterprise network?

the use of the building switch block approach

Refer to the exhibit. A network administrator configured routers R1 and R2 as part of HSRP group 1. After the routers have been reloaded, a user on Host1 complained of lack of connectivity to the Internet The network administrator issued the show standby brief command on both routers to verify the HSRP operations. In addition, the administrator observed the ARP table on Host1. Which entry should be seen in the ARP table on Host1 in order to gain connectivity to the Internet?

the virtual IP address and the virtual MAC address for the HSRP group 1

What is the purpose of using protocol-dependent modules in EIGRP?

to accommodate routing of different network layer protocols

While configuring inter-VLAN routing on a multilayer switch, a network administrator issues the no switchport command on an interface that is connected to another switch. What is the purpose of this command?

to create a routed port for a single network

Why would a network administrator use a wildcard mask in the network command when configuring a router to use EIGRP?

to exclude some interfaces from the EIGRP process

What is the purpose of a Null0 route in the routing table?

to prevent routing loops

What are two reasons for creating an OSPF network with multiple areas? (Choose two.)

to reduce SPF calculations to reduce use of memory and processor resources

What are two reasons for creating an OSPF networkWhat information is contained within an OSPF type 4 LSA with multiple areas? (Choose two.)

to reduce SPF calculations to reduce use of memory and processor resources

What are the two purposes of an OSPF router ID? (Choose two.)

to uniquely identify the router within the OSPF domain to facilitate router participation in the election of the designated router

A network administrator is troubleshooting an OSPFv3 configuration on an IPv6 network. The administrator issues the show ipv6 protocols command. What is the purpose for this command?

to verify OSPFv3 configuration information

What OSPF LSA type is used to inform routers of the router ID of the DR in each multiaccess network in an OSPF area?

type 2

What type of OSPF LSA is originated by ASBR routers to advertise external routes?

type 5

Which type of OSPF LSA is generated by an ASBR and includes external routes?

type 5

What are two features of the OSPF routing protocol? (Choose two.)

uses Dijkstra's algorithm to build the SPF tree calculates its metric using bandwidth

Which three actions can cause problems with a VTP implementation? (Choose three.)

using a non-trunk link to connect switches using lowercase on one switch and uppercase on another switch for domain names using non-Cisco switches

Fill in the blank.In FHRP operation, two or more routers are represented as a single ________ router.

virtual

Which OSPF feature allows a remote OSPF area to participate in OSPF routing when it cannot connect directly to OSPF Area 0?

virtual link

In FHRP terminology, what represents a set of routers that present the illusion of a single router to hosts?

virtual router

A switch is participating in a VTP domain and configured as a VTP server. The switch needs to propagate VLAN 10 (used by the Manufacturing department) throughout the VTP domain, but does not have any directly connected hosts using that particular VLAN. Which configuration would satisfy this requirement?

vlan 10 name Manufacturing exit

Under which two occasions should an administrator disable DTP while managing a local area network? (Choose two.)

when connecting a Cisco switch to a non-Cisco switch on links that should not be trunking

In which scenario will the use of EIGRP automatic summarization cause inconsistent routing in a network?

when the routers in an IPv4 network are connected to discontiguous networks with automatic summarization enabled