CCNA 3 Final

Which type of OSPF router connects an OSPF area to non-OSPF routing domains? ABR ASBR DR backbone router

ASBR

Refer to the exhibit. A network administrator has configured OSPFv2 on the two Cisco routers as shown. PC1 is unable to communicate with PC2. What should be done to fix the problem? https://ccnav6.com/wp-content/uploads/2017/07/hinh9.png Add the network 192.168.255.0 0.0.0.3 area 0 command to router R1 and remove the network 192.168.255.1 0.0.0.0 area 0command. Add the network 192.168.255.2 0.0.0.0 area 0 command to router R1 and remove the network 192.168.255.1 0.0.0.0 area 0command. Add the network 192.168.10.0 0.0.0.255 area 0 command to router R1 and remove the network 192.168.10.1 0.0.0.0 area 0command. Add the passive-interface S0/0 command to router R1.

Add the network 192.168.255.0 0.0.0.3 area 0 command to router R1 and remove the network 192.168.255.1 0.0.0.0 area 0command.

Refer to the exhibit. Which route or routes will be advertised to the router ISP if autosummarization is enabled?​ https://ccnav6.com/wp-content/uploads/2016/02/i212820v1n1_212820.gif 10.0.0.0/8 10.1.0.0/16 10.1.0.0/28 10.1.1.0/24 10.1.2.0/24 10.1.3.0/24 10.1.4.0/28​

10.0.0.0/8

A small company network has six interconnected Layer 2 switches. Currently all switches are using the default bridge priority value. Which value can be used to configure the bridge priority of one of the switches to ensure that it becomes the root bridge in this design? 1 28672 32768 34816 61440

28672

By default, how many equal cost routes to the same destination can be installed in the routing table of a Cisco router? 2 4 16 32

4

A set of switches is being connected in a LAN topology. Which STP bridge priority value will make it least likely for the switch to be selected as the root? 61440 4096 65535 32768

61440

What does the cost of an OSPF link indicate? A higher cost for an OSPF link indicates a faster path to the destination. Link cost indicates a proportion of the accumulated value of the route to the destination. Cost equals bandwidth. A lower cost indicates a better path to the destination than a higher cost does.

A lower cost indicates a better path to the destination than a higher cost does.

Refer to the exhibit. Which statement accurately reflects the configuration of routing on the HQ router? https://ccnav6.com/wp-content/uploads/2017/07/p42.png A static default route was configured on this router. A static default route was learned via EIGRP routing updates. The static default route should be redistributed using the default-information originate command.​ The IP address assigned to the GigabitEthernet0/0 interface is 172.16.2.0 255.255.255.0.

A static default route was configured on this router.

Which routing table descriptor is used to identify the OSPF networks advertised by type 1 LSAs? O O IA O E2 O E1

O

Which routing protocol is able to scale for large networks and utilizes non-backbone areas for expansion? EIGRP BGP OSPF RIPv2

OSPF

A new chief information officer (CIO) has requested implementation of a link-state dynamic routing protocol. Which two routing protocols fulfill this requirement? (Choose two.) RIPv2 BGP OSPF IS-IS EIGRP

OSPF IS-IS

What is the effect of entering the network 192.168.10.1 0.0.0.0 area 0 command in router configuration mode? The interface with the IPv4 address 192.168.10.1 will be a passive interface. OSPF advertisements will include the network on the interface with the IPv4 address 192.168.10.1. This command will have no effect because it uses a quad zero wildcard mask. OSPF advertisements will include the specific IPv4 address 192.168.10.1.

OSPF advertisements will include the network on the interface with the IPv4 address 192.168.10.1.

A router is participating in an OSPFv2 domain. What will always happen if the dead interval expires before the router receives a hello packet from an adjacent DROTHER OSPF router? OSPF will run a new DR/BDR election. SPF will run and determine which neighbor router is "down". A new dead interval timer of 4 times the hello interval will start. OSPF will remove that neighbor from the router link-state database.

OSPF will remove that neighbor from the router link-state database.

When EtherChannel is configured, which mode will force an interface into a port channel without exchanging aggregation protocol packets? active auto on desirable

On

Refer to the exhibit. A network administrator is reviewing the configuration of switch S1. Which protocol has been implemented to group multiple physical ports into one logical link? PAgP DTP LACP STP https://ccnav6.com/wp-content/uploads/2017/07/p23.png

PAgP

When a range of ports is being configured for EtherChannel, which mode will configure LACP on a port only if the port receives LACP packets from another device? active auto desirable passive

Passive

https://ccnav6.com/wp-content/uploads/2017/07/p14-exa8-ccnadfgfg.jpg

Place the options in the following order:adjacency database => This is where the details of the neighboring routers can be found. Place the options in the following order:adjacency database => This is where the details of the neighboring routers can be found. Shortest Path First => This is the algorithm used by OSPF. Single-area OSPF => All the routers are in the backbone area. - not scored - link-state database => This is where you can find the topology table.

When EtherChannel is implemented, multiple physical interfaces are bundled into which type of logical connection? interface range loopback VLAN interface port channel

Port Channel

Which statement is true about the states of the IEEE 802.1D Spanning Tree Protocol? Ports must be blocked before they can be placed in the disabled state. Ports listen and learn before going into the forwarding state. Ports are manually configured to be in the forwarding state. It takes 15 seconds for a port to go from blocking to forwarding.

Ports listen and learn before going into the forwarding state.

The topology displays seven routers with four alternative ways to get from source to destination: Path cost for R1-R3-R4-R5-R6-R7 = 29 Path cost for R1-R3-R2-R6-R7 = 42 Path cost for R1-R2-R6-R7 = 43 Path cost for R1-R4-R5-R6-R7 = 31 The source is the LAN that is connected to R1. The destination is the LAN that is connected to R7. Refer to the exhibit. A network administrator has configured OFPF in the topology as shown. What is the preferred path to get from the LAN network that is connected to R1 to the LAN network that is connected to R7? R1-R2-R6-R7 R1-R3-R2-R6-R7 R1-R3-R4-R5-R6-R7 R1-R4-R5-R6-R7

R1-R3-R4-R5-R6-R7

Refer to the exhibit. What are three resulting DR and DBR elections for the given topology? (Choose three.) R4 is BDR for segment B. R4 is DR for segment B. R3 is DR for segment A. R2 is DR for segment A. R3 is BDR for segment B. R5 is DR for segment B. https://ccnav6.com/wp-content/uploads/2017/07/p53-2.png

R3 is DR for segment A. R3 is BDR for segment B. R5 is DR for segment B.

Refer to the exhibit. For the given topology, what are three results of the OSPF DR and BDR elections? (Choose three.) https://ccnav6.com/wp-content/uploads/2017/07/p52.png R1 is BDR for segment A. R2 is DR for segment A. R3 is DR for segment A. R4 is DR for segment B. R5 is BDR for segment B. R3 is DR for segment B.

R3 is DR for segment A. R5 is BDR for segment B. R3 is DR for segment B.

Refer to the exhibit. What are three resulting DR and BDR elections for the given topology? (Choose three.) https://ccnav6.com/wp-content/uploads/2017/07/hinh4.png R4 is BDR for segment B. R1 is DR for segment A. R5 is DR for segment B. R3 is DR for segment B. R3 is DBR for segment B. R2 is BDR for segment A.

R4 is BDR for segment B. R5 is DR for segment B. R2 is BDR for segment A.

Which industry-wide specification was developed to decrease the time that is needed to move to the forwarding state by switch ports that are operating in a redundantly switched topology? VLSM PVST 802.1Q RSTP VTP

RSTP

What protocol is used by EIGRP for the delivery and receipt of EIGRP packets? RTP TCP UDP ICMP

RTP

Which spanning tree standard was developed by Cisco to provide separate instances of 802.1w per VLAN? RSTP 802.1D MSTP Rapid PVST+

Rapid PVST+

VLAN Configuration

Refer to the exhibit. The configuration shows the commands entered by a network administrator for inter-VLAN routing. However, host PCA cannot communicate with PCB. Which part of the inter-VLAN configuration causes the problem? trunking port mode on the two switch FastEthernet ports VLAN configuration router port configuration

Which protocol does EIGRP use for the transportation of EIGRP packets? Transmission Control Protocol User Datagram Protocol Real-Time Transport Protocol Reliable Transport Protocol

Reliable Transport Protocol

Refer to the exhibit. What is the role of the SW3 switch? https://ccnav6.com/wp-content/uploads/2017/07/p15.gif designated switch edge switch root bridge enabled bridge local bridge

Root bridge

A router needs to be configured to route within OSPF Area 0. Which two commands are required to accomplish this? (Choose two.) RouterA(config)# router ospf 0 RouterA(config-router)# network 192.168.2.0 255.255.255.0 0 RouterA(config-router)# network 192.168.2.0 0.0.0.255 area 0 RouterA(config-router)# network 192.168.2.0 0.0.0.255 0 RouterA(config)# router ospf 1

RouterA(config-router)# network 192.168.2.0 0.0.0.255 area RouterA(config)# router ospf 1

What are two features of a link-state routing protocol? (Choose two.) Routers send periodic updates only to neighboring routers. Routers send triggered updates in response to a change. Routers create a topology of the network by using information from other routers. The database information for each router is obtained from the same source. Paths are chosen based on the lowest number of hops to the designated router.

Routers send triggered updates in respons to a change. Routers create a topology of the network by using information from other routers.

What are two features of OSPF interarea route summarization? (Choose two.) Route summarization results in high network traffic and router overhead. Routes within an area are summarized by the ABR. Type 3 and type 5 LSAs are used to propagate summarized routes by default. ASBRs perform all OSPF summarization. ABRs advertise the summarized routes into the backbone.

Routes within an area are summarized by the ABR. ABRs advertise the summarized routes into the backbone.

Refer to the exhibit. What are two results of issuing the displayed commands on S1, S2, and S3? (Choose two.) https://ccnav6.com/wp-content/uploads/2017/07/hinh2.gif S2 can become root bridge if S1 fails. S2 can become root bridge if S3 fails. S1 will automatically adjust the priority to be the lowest. S3 can be elected as a secondary bridge. S1 will automatically adjust the priority to be the highest.

S2 can become root bridge if S1 fails S1 will automatically adjust the priority to be the lowest.

Which is a characteristic of EtherChannel? STP will not block redundant EtherChannel bundles between two switches. STP treats all interfaces in a bundle as a single logical link. EtherChannel configuration is applied to each physical port. EtherChannel uses physical ports that have been upgraded to provide a faster connection.

STP treats all interfaces in a bundle as a single logical link.

Which mode configuration setting would allow formation of an EtherChannel link between switches SW1 and SW2 without sending negotiation traffic? SW1: on SW2: on SW1: desirable SW2: desirable SW1: auto SW2: auto PortFast enabled on both switches SW1: auto SW2: auto trunking enabled on both switches SW1: passive SW2: active

SW1: on SW2: on

A network administrator has configured an EtherChannel between two switches that are connected via four trunk links. If the physical interface for one of the trunk links changes to a down state, what happens to the EtherChannel? Spanning Tree Protocol will transition the failed physical interface into forwarding mode. Spanning Tree Protocol will recalculate the remaining trunk links. The EtherChannel will transition to a down state. The EtherChannel will remain functional.

The EtherChannel will remain functional.

Refer to the exhibit. A network administrator has configured the OSPF timers to the values that are shown in the graphic. What is the result of having those manually configured timers? https://ccnav6.com/wp-content/uploads/2017/07/p55.png The R1 dead timer expires between hello packets from R2. R1 automatically adjusts its own timers to match the R2 timers. The hello timer on R2 expires every ten seconds. The neighbor adjacency has formed.

The R1 dead timer expires between hello packets from R2.

A switched network has converged completely. All switches currently have a VTP revision number of 5. A new switch that has been configured as a VTP server is added to the network. The new switch has a VTP revision number of 4. What will occur within the network? The network will no longer share VLAN database updates. The newly added switch will automatically switch to VTP client mode. The VTP databases will remain unchanged in all switches with the exception of the newly added switch. All switches in the network will update their VTP database to reflect the VTP database of the new switch.

The VTP databases will remain unchanged in all switches with the exception of the newly added switch.

An EIGRP router loses the route to a network. Its topology table contains two feasible successors to the same network. What action will the router take? The best alternative backup route is immediately inserted into the routing table. The router will query neighbors for an alternate route. The DUAL algorithm is recomputed to find an alternate route. The router uses the default route.

The best alternative backup route is immediately inserted into the routing table.

A network administrator is analyzing the features that are supported by different first-hop router redundancy protocols. Which statement describes a feature that is associated with HSRP? HSRP uses active and standby routers. It uses ICMP messages in order to assign the default gateway to hosts. It allows load balancing between a group of redundant routers. HSRP is nonproprietary.

HSRP uses active and standby routers.

Refer to the exhibit.A network administrator has configured OSPFv2 on the two Cisco routers as shown. The routers are unable to form a neighbor adjacency. What should be done to fix the problem? https://ccnav6.com/wp-content/uploads/2017/07/p56.png Implement the command no passive-interface Serial0/1. Implement the command network 192.168.2.4 0.0.0.3 area 0 on router R2. Implement the command network 192.168.3.0 0.0.0.255 area 0 on router R2. Change the router-id of router R2 to 2.2.2.2.

Implement the command no passive-interface Serial0/1.

What are three characteristics of VTP? (Choose three.) In the default VTP mode, VLANs can be created and modified on a switch. Switches in VTP server mode store VLANs in the vlan.dat database. VTP-enabled switches exchange three types of advertisements: summary routes, subnet advertisements, and advertisement requests from transparent bridges. The switch configuration must be saved and the switch reloaded to reset a configuration revision number. VTP updates are exchanged across trunk links only. Switches in different VTP domains can exchange updates if revision numbers are the same.

In the default VTP mode, VLANs can be created and modified on a switch. Switches in VTP server mode store VLANs in the vlan.dat database. VTP updates are exchanged across trunk links only.

What is the function of STP in a scalable network? It combines multiple switch trunk links to act as one logical link for increased bandwidth. It protects the edge of the enterprise network from malicious activity. It disables redundant paths to eliminate Layer 2 loops. It decreases the size of the failure domain to contain the impact of failures.

It disables redundant paths to eliminate Layer 2 loops.

Which statement describes the autonomous system number used in EIGRP configuration on a Cisco router? It carries the geographical information of the organization. It identifies the ISP that provides the connection to network of the organization. It functions as a process ID in the operation of the router. It is a globally unique autonomous system number that is assigned by IANA.

It functions as a process ID in the operation of the router.

What is the purpose of the vlan.dat file on a switch? It holds the running configuration. It holds the saved configuration. It holds the VLAN database. It holds the operating system

It holds the VLAN database

What is a characteristic of spanning tree? It prevents propagation of Layer 2 broadcast frames. It is enabled by default on Cisco switches. It is used to discover information about an adjacent Cisco device. It has a TTL mechanism that works at Layer 2.

It is enabled by default on Cisco switches.

A network administrator is analyzing first-hop router redundancy protocols. What is a characteristic of VRRPv3? It allows load balancing between routers. VRRPv3 is Cisco proprietary. It supports IPv6 and IPv4 addressing. It works together with HSRP.

It supports IPv6 and IPv4 addressing.

In an OSPFv2 configuration, what is the effect of entering the command network 192.168.1.1 0.0.0.0 area 0? It changes the router ID of the router to 192.168.1.1. It enables OSPF on all interfaces on the router. It tells the router which interface to turn on for the OSPF routing process. It allows all 192.168.1.0 networks to be advertised.

It tells the router which interface to turn on for the OSPF routing process.

A network administrator is adding a new VLAN for testing. The company uses VTP and the VLAN is not directly attached to either of the switches configured as VTP servers. What is the best method to add this VLAN to the network? Change the switch that has connected hosts in the new VLAN to be in VTP server mode. Configure a port on the VTP servers for the same VLAN as the new VLAN. Manually add the VLAN to the VLAN database of the VTP servers. Configure interfaces on the switch that has connected hosts in the new VLAN and reboot the switch.

Manually add the VLAN to the VLAN database of the VTP servers.

Refer to the exhibit. A network administrator is verifying the bridge ID and the status of this switch in the STP election. Which statement is correct based on the command output? https://ccnav6.com/wp-content/uploads/2017/07/p19.png The bridge priority of Switch_2 has been lowered to a predefined value to become the root bridge. The bridge priority of Switch_2 has been lowered to a predefined value to become the backup root bridge. The STP instance on Switch_2 is failing due to no ports being blocked and all switches believing they are the root. The STP instance on Switch_2 is using the default STP priority and the election is based on Switch_2 MAC address.

The bridge priority of Switch_2 has been lowered to a predefined value to become the root bridge.

Which statement describes a characteristic of OSPF external routes? The cost of a type 1 route is always the external cost, regardless of the interior cost to reach that route. The difference between type 1 and type 2 is in the way the cost of the route is being calculated. A type 2 route is always preferred over a type 1 route for the same destination. Type 1 and type 2 external routes in IPv4 networks are represented in the routing table by EX1 and EX2, respectively

The difference between type 1 and type 2 is in the way the cost of the route is being calculated.

A network designer is considering whether to implement a switch block on the company network. What is the primary advantage of deploying a switch block? A single core router provides all the routing between VLANs. The failure of a switch block will not impact all end users. This is a security feature that is available on all new Catalyst switches. This is network application software that prevents the failure of a single network device.

The failure of a switch block will not impact all end users.

Which statement defines the speed of convergence of routing protocols? The time it takes a router to form a neighbor adjacency. The time it takes a router to learn about directly connected links. The time it takes a router to calculate the cost of a link. The time it takes a router within a network to forward routing information.

The time it takes a router within a network to forward routing information.

A network administrator enters the spanning-tree portfast bpduguard default command. What is the result of this command being issued on a Cisco switch? Any switch port will be error-disabled if it receives a BPDU. Any trunk ports will be allowed to connect to the network immediately, rather than waiting to converge. Any switch port that has been configured with PortFast will be error-disabled if it receives a BPDU. Any switch port that receives a BPDU will ignore the BPDU message.

Any switch port that has been configured with PortFast will be error-disabled if it receives a BPDU

Which three requirements are necessary for two OSPFv2 routers to form an adjacency? (Choose three.) The two routers must include the inter-router link network in an OSPFv2 network command. The OSPFv2 process is enabled on the interface by entering the ospf process area-id command. The OSPF hello or dead timers on each router must match. The OSPFv2 process ID must be the same on each router. The link interface subnet masks must match. The link interface on each router must be configured with a link-local address.

The two routers must include the inter-router link network in an OSPFv2 network command. The OSPF hello or dead timers on each router must match. The link interface subnet masks must match.

When the show spanning-tree vlan 33 command is issued on a switch, three ports are shown in the forwarding state. In which two port roles could these interfaces function while in the forwarding state? (Choose two.) blocked alternate disabled Designated Root

Designated Root

When the show spanning-tree vlan 33 command is issued on a switch, three ports are shown in the forwarding state. In which two port roles could these interfaces function while in the forwarding state? (Choose two.) blocked alternate disabled Designated Root

Designated Root

Refer to the exhibit. A network administrator would like to implement dynamic routing within a small network environment as shown in the exhibit. Which routing protocol would be a viable solution? https://ccnav6.com/wp-content/uploads/2017/07/hinh12.png BGP IGRP RIPv1 EIGRP

EIGRP

What routing protocol can be configured to load balance across paths with unequal metrics through the use of the variance command? EIGRP OSPF OSPFv3 RIPng

EIGRP

A network engineer examining the operation of EIGRP on a router notices that one particular route is in an active state. What can the engineer determine about this route? Data packets to be sent to the specified network will be forwarded on this route. The Diffusing Update Algorithm has determined a successor and a feasible successor for this route. The EIGRP processes are still calculating the administrative distance for this route. EIGRP query messages are being sent to other routers requesting paths to this network.

EIGRP query messages are being sent to other routers requesting paths to this network.

What is a difference between the routing protocols EIGRP and OSPF? EIGRP uses hop count as the metric and OSPF uses cost as the metric. EIGRP is an implementation of EGP whereas OSPF is an implementation of IGP. EIGRP supports routing different network layer protocols whereas OSPF supports routing only IP-based protocols. EIGRP only supports equal-cost load balancing whereas OSPF supports both equal-cost and unequal-cost load balancing.

EIGRP supports routing different network layer protocols whereas OSPF supports routing only IP-based protocols.

How are externally learned EIGRP routes identified in the routing table? EX * O1 E D

EX

https://ccnav6.com/wp-content/uploads/2017/07/ccna2v6p54.png

Each router learns about its own directly connected networks. => Step 1 Each router is responsible for "saying hello" to its neighbors on directly connected networks. => Step 2 Each router builds a Link-State Packet (LSP) containing the state of each directly connected link => Step 3 Each router floods the LSP to all neighbors, who then store all LSPs received in a database => Step 4 Each router uses the database to construct a complete map of the topology and computes the best => Step 5

Refer to the exhibit. Which switching technology would allow data to be transmitted over each access layer switch link and prevent the port from being blocked by spanning tree due to the redundant link? https://ccnav6.com/wp-content/uploads/2017/07/p21.png EtherChannel HSRP PortFast trunking

EtherChannel

Refer to the exhibit. Switch SW-A is to be used as a temporary replacement for another switch in the VTP Student domain. What two pieces of information are indicated from the exhibited output? (Choose two.) The other switches in the domain can be running either VTP version 1 or 2. VLAN configuration changes made on this switch will be sent to other devices in the VTP domain. VTP will block frame forwarding on at least one redundant trunk port that is configured on this switch. This switch will update its VLAN configuration when VLAN changes are made on a VTP server in the same domain. There is a risk that the switch may cause incorrect VLAN information to be sent through the domain.

There is a risk that the switch may cause incorrect VLAN information to be sent through the domain. This switch will update its VLAN configuration when VLAN changes are made on a VTP server in the same domain.

What best describes the operation of distance vector routing protocols? They use hop count as their only metric. They only send out updates when a new network is added. They send their routing tables to directly connected neighbors. They flood the entire network with routing updates.

They send their routing tables to directly connected neighbors.

Refer to the exhibit. What method can be used to enable an OSPF router to advertise a default route to neighboring OSPF routers? https://ccnav6.com/wp-content/uploads/2017/07/p53-1-1.png Use a static route pointing to the ISP and redistribute it. Use the redistribute static command on R0-A. Use the default-information originate command on ISP. Use the default-information originate command on R0-A.

Use the default-information originate command on R0-A.

Refer to the exhibit. The configuration shows commands entered by a network administrator for inter-VLAN routing. However, host H1 cannot communicate with H2. Which part of the inter-VLAN configuration causes the problem? https://ccnav6.com/wp-content/uploads/2017/03/ccna3final.png trunking port mode on the two switch FastEthernet ports VLAN configuration router port configuration

VLAN configuration

Which characteristic would most influence a network design engineer to select a multilayer switch over a Layer 2 switch? ability to aggregate multiple ports for maximum data throughput ability to have multiple forwarding paths through the switched network based on VLAN number(s) ability to provide power to directly-attached devices and the switch itself ability to build a routing table

ability to build a routing table

In the Cisco hierarchical design model, which layer is more likely to have a fixed configuration switch than the other layers? distribution transport internet access core

access

The graphic shows the following information: Switch S1 (the root bridge) uses a port that is labeled B to connect to switch S3 on a port labeled D. S3 is connected to switch S2 on a port labeled A. S2 uses a port labeled C to connect to S1. S2 is connected also to three PC workstations labeled A, B, and C.Refer to the exhibit. What are the possible port roles for ports A, B, C, and D in this RSTP-enabled network? https://ccnav6.com/wp-content/uploads/2017/07/hinh1.png alternate, root, designated, root designated, alternate, root, root alternate, designated, root, root designated, root, alternate, root

alternate, designated, root, root

What are the only two roles that permit an OSPF router to be configured for summarization? (Choose two.) designated router backbone router internal router autonomous system boundary router area border router

autonomous system boundary router area border router

What two values must match between two EIGRP directly connected neighbors to establish and maintain an adjacency? (Choose two.) autonomous system number metric parameters hello timers router ID Area ID

autonomous system number metric parameters

Which two pieces of information are contained within a link-state packet (LSP)? (Choose two.) hop count bandwidth link type delay load

bandwidth link type

Which three STP states were replaced with the RSTP discarding state? (Choose three.) listening learning blocking disabled forwarding

blocking disabled listening

Refer to the exhibit. How did this router learn of the highlighted route in the routing table? by entering the router configuration mode command default-information originate by entering the global configuration mode command ip route 0.0.0.0 0.0.0.0 interface-type interface-number by entering the global configuration mode command ip route 0.0.0.0 0.0.0.0 ip-address by receiving an update from another OSPF router that is running another routing protocol by receiving an update from another OSPF router that has the default-information originate command configured https://ccnav6.com/wp-content/uploads/2017/07/p55-1.png

by receiving an update from another OSPF router that has the default-information originate command configured

Which configuration changes will increment the configuration revision number on the VTP server? configuring trunk links on the VTP server configuring or changing the VTP password configuring or changing the VTP domain name configuring or changing the VTP version number configuring or deleting a VLAN or creating a VLAN name

configuring or deleting a VLAN or creating a VLAN name

https://ccnav6.com/wp-content/uploads/2017/07/p34.png Which command should be used to configure EIGRP to only advertise the network that is attached to the gigabit Ethernet 0/1 interface? network 172.16.23.64 0.0.0.63 network 172.16.23.0 255.255.255.192 network 172.16.23.64 0.0.0.127 network 172.16.23.0 255.255.255.128

network 172.16.23.64 0.0.0.63

What information is contained in OSPF type 3 LSAs? networks reachable in other areas networks learned from other routing protocols the router ID of the DR to all routers in the area the router ID of an ASBR and the route to reach it

networks reachable in other areas

What term is used to express the thickness or height of a switch? rack unit port density domain size module size

rack unit

What capability do protocol-dependent modules provide to the EIGRP routing protocol? route different Layer 3 protocols exchange summary routes between areas combine routes learned from different protocols into a single routing table load balance between routing protocols

route different Layer 3 protocols

In which mode is the area area-id range address mask command issued when multiarea OSPF summarization is being configured? global configuration mode router configuration mode interface configuration mode of area 0 interfaces interface configuration mode of all participating interfaces

router configuration mode

Which command will configure an IPv6 default static route? router(config)# ipv6 ::/64 s0/0/0 router(config-rtr)# redistribute static router(config)# ipv6 route ::/0 s0/0/0 router(config)# ipv6 unicast-routing

router(config)# ipv6 route ::/0 s0/0/0

What does an OSPF area contain? routers whose SPF trees are identical routers that share the same process ID routers that have the same link-state information in their LSDBs routers that share the same router ID

routers that have the same link-state information in their LSDBs

Which command is used to display the bandwidth of an interface on an EIGRP-enabled router? show ip interface brief show ip protocols show interfaces show ip route

show interfaces

Which command can be used to view OSPF adjacencies with neighboring routers along with the transition state? show ip protocols show ip ospf neighbor show ip ospf interface show running-config

show ip ospf neighbor

Which command can be used by an administrator to display a list of interfaces that are enabled for OSPFv3? show ipv6 protocols show ipv6 neighbor show ipv6 route ospf show ipv6 ospf

show ipv6 protocols

An administrator was troubleshooting a router-on-a-stick topology and concluded that the problem was related to the configuration of VLANs on the router subinterfaces. Which two commands can the administrator use in the router to identify the problem? (Choose two.) show controllersshow vlan show running-config show ip interface show ip protocols

show running-config show ip interface

What are two load-balancing methods in the EtherChannel technology? (Choose two.) source IP to destination IP source MAC to destination MAC combination of source MAC and IP to destination MAC and IP combination of source port and IP to destination port and IP source port to destination port

source IP to destination IP source MAC to destination MAC

A network administrator is configuring EIGRP load balancing with the commands: Router(config)# router eigrp 1 Router(config-router)# variance 3 Router(config-router)# end What is a direct result of entering these commands? Any feasible successor routes to the same destination network with a metric, equal to or less than 3 times that of the successor, will be installed in the routing table. Up to three equal cost routes to the same destination can be installed in the routing table. No matter whether the metric is equal or unequal, up to three routes to the same destination can be installed in the routing table. Up to three unequal cost routes to the same destination can be installed in the routing table.

Any feasible successor routes to the same destination network with a metric, equal to or less than 3 times that of the successor, will be installed in the routing table.

What is a key distinction between classful and classless routing protocols? Classful routing protocols do not send subnet mask information in their routing updates. Classful routing protocols are better suited for implementation in discontiguous networks. Classless routing protocols are not scalable. Classless routing protocols do not allow for route summarization.

Classful routing protocols do not send subnet mask information in their routing updates.

Refer to the exhibit. The network administrator configures both switches as displayed. However, host C is unable to ping host D and host E is unable to ping host F. What action should the administrator take to enable this communication? https://ccnav6.com/wp-content/uploads/2017/07/hinh5.png Associate hosts A and B with VLAN 10 instead of VLAN 1. Configure either trunk port in the dynamic desirable mode. Include a router in the topology. Remove the native VLAN from the trunk. Add the switchport nonegotiate command to the configuration of SW2.

Configure either trunk port in the dynamic desirable mode.

A network administrator is planning to add a new switch to the network. What should the network administrator do to ensure the new switch exchanges VTP information with the other switches in the VTP domain? Configure the correct VTP domain name and password on the new switch. Associate all ports of the new switch to a VLAN that is not VLAN 1. Configure all ports on the new switch to access mode. Configure the VLANs on the new switch.

Configure the correct VTP domain name and password on the new switch.

What are two advantages of EtherChannel? (Choose two.) Configuring the EtherChannel interface provides consistency in the configuration of the physical links. Load balancing occurs between links configured as different EtherChannels. EtherChannel uses upgraded physical links to provide increased bandwidth. Spanning Tree Protocol views the physical links in an EtherChannel as one logical connection. Spanning Tree Protocol ensures redundancy by transitioning failed interfaces in an EtherChannel to a forwarding state.

Configuring the EtherChannel interface provides consistency in the configuration of the physical links. Spanning Tree Protocol views the physical links in an EtherChannel as one logical connection.

Refer to the exhibit. R1 and R2 are OSPFv3 neighbors. Which address would R1 use as the next hop for packets that are destined for the Internet? https://ccnav6.com/wp-content/uploads/2017/07/hinh13.png 2001:DB8:C5C0:1::2 FF02::5 2001:DB8:ACAD:1::2 FE80::21E:BEFF:FEF4:5538

FE80::21E:BEFF:FEF4:5538

Which two addresses represent valid destination addresses for an OSPFv3 message? (Choose two.) FF02::5 224.0.0.5FF02::A FE80::42 2001:db8:acad:1::1

FE80::42 FF02::5

What is the final operational state that will form between an OSPF DR and a DROTHER once the routers reach convergence? established loading two-way Full

Full

A network administrator is analyzing the features that are supported by different first-hop router redundancy protocols. Which statement is a feature that is associated with GLBP? GLBP allows load balancing between routers. It is nonproprietary. It uses a virtual router master. It works together with VRRP.

GLBP allows load balancing between routers.

Four switches, labeled as SW1, SW2, SW3, and SW4, are interconnected. SW1 interface Gi 1/1 is connected to SW4 interface Gi 1/2. SW1 interface Gi 1/2 is connected to SW3 interface Gi 1/1. SW2 interface Gi 1/1 is connected to SW3 interface Gi 1/2. SW2 interface Gi 1/2 is connected to SW4 interface Gi 1/1. There are four text boxes. Text box 1 shows the following: SW1 Priority 32769 MAC Address = 00E0.000B.2222Text box 2 shows the following: SW2 Priority 32769 MAC Address = 00E0.000C.3333Text box 3 shows the following: SW3 Priority 32769 MAC Address = 00E0.000A.1111 Text box 4 shows the following: SW4 Priority 32769 MAC Address = 00E0.000D.4444 https://ccnav6.com/wp-content/uploads/2017/07/hinh7.gif Refer to the exhibit. Which switch will be elected the root bridge and which switch will place a port in blocking mode? (Choose two.) SW1 will become the root bridge. SW4 will become the root bridge. SW2 will become the root bridge. SW2 will get a port blocked. SW3 will become the root bridge. SW4 will get a port blocked.

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

What is associated with link-state routing protocols? low processor overhead poison reverse routing loops split horizon Shortest Path First calculations

Shortest Path First calculations

A network engineer is interested in obtaining specific information relevant to the operation of both distribution and access layer Cisco devices. Which command provides common information relevant to both types of devices? show ip protocols show ip interface show cdp neighbors show port-security show mac-address-table

Show CDP neighbors

What eliminates switching loops? hold-down timer spoison reverse Spanning Tree Protocol Time to Live VTP

Spanning Tree Protocol

Which two parameters must match on the ports of two switches to create a PAgP EtherChannel between the switches? (Choose two.) MAC address VLAN information port ID Speed PAgP mode

Speed VLAN information

Refer to the exhibit. Which two conclusions can be derived from the output? (Choose two.) https://ccnav6.com/wp-content/uploads/2017/07/hinh3.png There is one feasible successor to network 192.168.1.8/30. The network 192.168.10.8/30 can be reached through 192.168.11.1. The reported distance to network 192.168.1.0/24 is 41024256. The neighbor 172.16.6.1 meets the feasibility condition to reach the 192.168.1.0/24 network. Router R1 has two successors to the 172.16.3.0/24 network.

The neighbor 172.16.6.1 meets the feasibility condition to reach the 192.168.1.0/24 network. There is one feasible successor to network 192.168.1.8/30.

Which two statements are correct about EIGRP acknowledgment packets? (Choose two.) The packets are used to discover neighbors that are connected on an interface. The packets are sent as unicast. The packets require confirmation. The packets are unreliable. The packets are sent in response to hello packets.

The packets are sent as unicast The packets are unreliable.

What does the SPF algorithm consider to be the best path to a network? The path that includes the fastest single bandwidth link. The path with the smallest delays. The path that includes the fastest cumulative bandwidth links. The path with the least number of hops.

The path that includes the fastest cumulative bandwidth links.

A network administrator configured an EtherChannel link with three interfaces between two switches. What is the result if one of the three interfaces is down? The EtherChannel fails. The remaining two interfaces continue to load balance traffic. The remaining two interfaces become separate links between the two switches. One interface becomes an active link for data traffic and the other becomes a backup link.

The remaining two interfaces continue to load balance traffic.

Refer to the exhibit. A network administrator is utilizing RIPv1 in the exhibited network topology. What would the router R2 do with a packet that is originating from the 192.168.4.0/24 network and destined for network 172.16.1.0/24? https://ccnav6.com/wp-content/uploads/2017/07/p28.png The router will forward the packet to R1. The router will forward the packet to R3. The router will load balance and forward packets to both R1 and R3. The router will drop the packet.

The router will load balance and forward packets to both R1 and R3.

Refer to the exhibit. What will Router1 do if it receives packets that are destined to network 2001:db8:11:100::/64? https://ccnav6.com/wp-content/uploads/2017/07/hinh14.png send the packets out interface Serial 0/0/0 drop the packets send the packets out interface GigabitEthernet 0/0 forward the packets to the gateway of last resort

drop the packets

Which three pairs of trunking modes will establish a functional trunk link between two Cisco switches? (Choose three.) dynamic desirable - dynamic desirable dynamic auto - dynamic auto dynamic desirable - dynamic auto dynamic desirable - trunk access - trunk access - dynamic auto

dynamic desirable - dynamic desirable dynamic desirable - trunk dynamic desirable - dynamic auto

What are two reasons to install a single 48-port fixed configuration switch, rather than two 24-port fixed configuration switches, in a wiring closet that supports two classrooms? (Choose two.) more ports available for end devices more power provided to each port higher uplink speeds reduced power and space requirements reduced number of VLANs/broadcast domain

educed power and space requirements

What are three features of EIGRP? (Choose three.) uses the Shortest Path First algorithm establishes neighbor adjacencies uses the Reliable Transport Protocol sends full routing table updates periodically broadcasts updates to all EIGRP routers supports equal and unequal cost load balancing

establishes neighbor adjacencies uses the Reliable Transport Protocol supports equal and unequal cost load balancing

What is the term that is used for the area of a network that is affected when a device or network service experiences problems? failure domain collision domain broadcast domain user domain

failure domain

As the network administrator you have been asked to implement EtherChannel on the corporate network. What does this configuration consist of? providing redundant links that dynamically block or forward traffic grouping multiple physical ports to increase bandwidth between two switches grouping two devices to share a virtual IP address providing redundant devices to allow traffic to flow in the event of device failure

grouping multiple physical ports to increase bandwidth between two switches

What EIGRP packet type is used by EIGRP routers to discover neighbors on directly connected links? acknowledgment query Hello update

hello

What indicates to a link-state router that a neighbor is unreachable? if the router no longer receives routing updates if the router no longer receives hello packets if the router receives an update with a hop count of 16 if the router receives an LSP with previously learned information

if the router no longer receives hello packets

Which function is performed by an OSPF ABR? flooding type 2 LSAs within an area originating type 5 LSAs into an area injecting type 3 LSAs into an area advertising the router ID of any designated routers within an area

injecting type 3 LSAs into an area

Which command will start the process to bundle two physical interfaces to create an EtherChannel group via LACP? channel-group 2 mode auto interface port-channel 2 channel-group 1 mode desirable interface range GigabitEthernet 0/4 - 5

interface range GigabitEthernet 0/4 - 5

Which command would limit the amount of bandwidth that is used by EIGRP for protocol control traffic to approximately 128 Kb/s on a 1.544 Mb/s link? ip bandwidth-percent eigrp 100 8 maximum-paths 8 variance 8 traffic-share balanced

ip bandwidth-percent eigrp 100 8

Which address is used by an IPv6 EIGRP router as the source for hello messages? the 32-bit router ID the IPv6 global unicast address that is configured on the interface the all-EIGRP-routers multicast address the interface IPv6 link-local address

the interface IPv6 link-local address

Which three pieces of information does a link-state routing protocol use initially as link-state information for locally connected links? (Choose three.) the link router interface IP address and subnet mask the type of network link the link next-hop IP address the link bandwidth the cost of that link

the link router interface IP address and subnet mask the type of network link the cost of that link

How is bandwidth to a destination network calculated by EIGRP? the lowest configured bandwidth of any interface along the route the sum of the configured bandwidths of all interfaces along the path the highest configured bandwidth of any interface along the path the bandwidth of the ingress interface of the last hop router

the lowest configured bandwidth of any interface along the route

What is the value used to determine which port on a non-root bridge will become a root port in a STP network? the highest MAC address of all the ports in the switch the lowest MAC address of all the ports in the switch the VTP revision number the path cost

the path cost

Which criterion is preferred by the router to choose a router ID? the IP address of the highest configured loopback interface on the router the IP address of the highest active interface on the router the router-id rid command that is used for the area of a network that is affected when a device or network service experien the IP address of the highest active OSPF-enabled interface

the router-id rid command

What is a function of OSPF hello packets? to ensure database synchronization between routers to discover neighbors and build adjacencies between them to send specifically requested link-state records to request specific link-state records from neighbor routers

to discover neighbors and build adjacencies between them

What is one reason to use the ip ospf priority command when the OSPF routing protocol is in use? to influence the DR/BDR election process to streamline and speed up the convergence process to provide a backdoor for connectivity during the convergence process to activate the OSPF neighboring process

to influence the DR/BDR election process

What type of packets are sent when there is a change in the EIGRP topology? hello triggered bounded update acknowledge reply

triggered bounded update

Refer to the exhibit. In this scenario, Area 40 cannot be connected directly to Area 0. Which OSPF network type must be configured in Area 1 to connect these areas?​ https://ccnav6.com/wp-content/uploads/2017/07/p53.png point-to-point virtual link point-to-multipoint nonbroadcast multiaccess

virtual link

When should EIGRP automatic summarization be turned off? when a router has less than five active interfaceswhen a router has more than three active interfaces when a network contains discontiguous network addresses when a router has not discovered a neighbor within three minutes when a network addressing scheme uses VLSM

when a network contains discontiguous network addresses

When will a router that is running EIGRP put a destination network in the active state? when the EIGRP domain is converged when there is outgoing traffic toward the destination network when there is an EIGRP message from the successor of the destination network when the connection to the successor of the destination network fails and there is no feasible successor available

when the connection to the successor of the destination network fails and there is no feasible successor available