Set of flashcards CCNA 200-125 (Page 6 of 12)

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Students	26
Language	English
Category	Computer Science
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Created / Updated	20.02.2017 / 03.10.2024
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What is the best way to verify that a host has a path to other hosts in different networks?

Ping the loopback address.

Ping the local interface address.

Ping the remote network.

Ping the default gateway.

Which parameter can be tuned to affect the selection of a static route as a backup, when a dynamic protocol is also being used?

Hop count

Link delay

Link bandwidth

Link cost

Administrative distance

View the exhibit. What is the simplest way to configure routing between the regional office network 10.89.0.0/20 and the corporate network?

Router2(config)#ip route 0.0.0.0 0.0.0.0 10.89.16.1

Router1(config)#ip route 10.89.0.0 255.255.240.0 10.89.16.2

Router1(config)#ip route 10.89.0.0 255.255.240.0 10.89.16.1

Router2(config)#ip route 10.89.3.0 255.255.0.0 10.89.16.2

Which commands are required to properly configure a router to run OSPF and to add network 192.168.16.0/24 to OSPF area 0? (Select two)

Router(configrouter)# network 192.168.16.0 0.0.0.255 area 0

Router(configrouter)# network 192.168.16.0 255.255.255.0 area 0

Router(config)# router ospf area 0

Router(configrouter)# network 192.168.16.0 0.0.0.255 0

Router(config)# router ospf 1

What is the default maximum number of equal-cost paths that can be placed into the routing table of a Cisco OSPF router?

16

2

unlimited

4

View the exhibit. Which two statements are true about the loopback address that is configured on RT2? (Choose two)

It specifies that the router ID for RT2 should be 10.0.0.1.

It decreases the metric for routes that are advertised from RT2.

It provides stability for the OSPF process on RT2.

It indicates that RT2 should be elected the DR for the LAN.

It ensures that data will be forwarded by RT2.

While you were troubleshooting a connection issue, a ping from one VLAN to another VLAN on the same switch failed. Which command verifies that IP routing is enabled on interfaces and the local VLANs are up?

show ip nat statistics

show ip route

show ip statistics

show ip interface brief

Which two components are used to identify a neighbor in a BGP configuration? (Choose two.)

Router ID

Autonomous system number

IP address

Version number

Subnet mask

A router receives information about network 192.168.10.0/24 from multiple sources. What will the router consider the most reliable information about the path to that network?

a default route with a next hop address of 192.168.10.1

a static route to network 192.168.10.0/24 with a local serial interface configured as the next hop

a static route to network 192.168.10.0/24

a directly connected interface with an address of 192.168.10.254/24

an OSPF update for network 192.168.0.0/16

Which component of the routing table ranks routing protocols according to their preferences?

Metric

Next hop

Routing protocol code

Administrative distance

Which command can you enter to route all traffic that is destined for 192.168.0.0/20 to a specific interface?

Router(config)#ip route 0.0.0.0 255.255.255.0 GigabitEthernet0/1

Router(config)#ip route 0.0.0.0 0.0.0.0 GigabitEthernet0/1

Router(config)#ip route 192.168.0.0 255.255.240.0 GigabitEthernet0/1

Router(config)#ip route 192.168.0.0 255.255.255.0 GigabitEthernet0/1

View the exhibit. Router is to be used as a router-on-a-stick to route between the VLANs. All the interfaces have been properly configured and IP routing is operational. The hosts in the VLANs have been configured with the appropriate default gateway. What can be said about this configuration?

These commands need to be added to the configuration: Router(config)# router rip, Router(configrouter)# network 172.19.0.0

These commands need to be added to the configuration: Router(config)# router eigrp 123, Router(configrouter)# network 172.19.0.0

These commands need to be added to the configuration: Router(config)# router ospf 1

No further routing configuration is required.

Which two statements describe the process identifier that is used in the command to configure OSPF on a router? (Choose two.)
Router(config)# router ospf 1

The process number can be any number from 1 to 65,535.

Different process identifiers can be used to run multiple OSPF processes.

Only one process number can be used on the same router.

All OSPF routers in an area must have the same process ID.

Hello packets are sent to each neighbor to determine the processor identifier.

Which routing protocol has the smallest default administrative distance?

RIP

EIGRP

ISIS

OSPF

IBGP

Which two are advantages of static routing when compared to dynamic routing? (Choose two)

Configuration complexity decreases as network size increases.

Routing traffic load is reduced when used in stub network links.

An efficient algorithm is used to build routing tables, using automatic updates.

Route summarization is computed automatically by the router.

Security increases because only the network administrator may change the routing tables.

A router has two FastEthernet interfaces and needs to connect to four vlans in the local network. How can you accomplish this task, using the fewest physical interfaces and without decreasing network performance?

Add a second router to handle the vlan traffic.

Implement a router-on-a-stick configuration.

Use a hub to connect the four vlans with a FastEthernet interface on router.

Add two more FastEthernet interfaces.

Which statement about static routes is true?

A subnet mask is entered for the next-hop address.

The source interface can be configured to make routing decisions.

The exit interface can be specified to indicate where the packets will be routed.

The subnet mask is 255.255.255.0 by default.

Which statement describes the process ID that is used to run OSPF on a router?

It is globally significant and is used to represent the AS number.

It is globally significant and is used to identify OSPF stub areas.

It is locally significant and must be the same throughout an area.

It is locally significant and is used to identify an instance of the OSPF database.

Which characteristics are representative of a link-state routing protocol? (Select three)

provides common view of entire topology.

utilizes event-triggered updates.

utilizes frequent periodic updates.

exchanges routing tables with neighbors.

calculates shortest path.

Drag-n-drop. Drag the description on the left to the routing protocol on the right. (Not all options are used.)

EIGRP: vendor-specific, default AD of 90

OSPF: cost as metric, elects DR

When enabled, which feature prevents routing protocols from sending hello messages on an interface?

Directed neighbors

Virtual links

Passive-interface

OSPF areas

View the exhibit. According to the routing table, where will the router send a packet destined for 10.1.5.65?

10.1.1.2

10.1.2.2

10.1.3.3

10.1.4.4

Which function enables an administrator to route multiple VLANs on a router?

Port channel

HSRP

Router on a stick

IEEE 802.1X

Which two statements about IPv6 and routing protocols are true? (Choose two.)

Loopback addresses are used to form routing adjacencies.

Link-local addresses are used to form routing adjacencies.

EIGRPv3 was developed to support IPv6 routing.

EIGRP, OSPF, and BGP are the only routing protocols that support IPv6.

OSPFv3 was developed to support IPv6 routing.

Which statement about a router on a stick is true?

It requires the native VLAN to be disabled.

It uses multiple subinterfaces of a single interface to encapsulate traffic for different VLANs on the same subnet

It uses multiple subinterfaces of a single interface to encapsulate traffic for different VLANs.

Its data plane routes traffic for a single VLAN over two or more switches.

If IP routing is enabled, which two commands set the gateway of last resort to the default gateway? (Select two)

ip route 0.0.0.0 0.0.0.0 172.16.2.1

ip default-route 0.0.0.0 0.0.0.0 172.16.2.1

ip default-gateway 0.0.0.0

ip default-network 0.0.0.0

ip route 172.16.2.1 0.0.0.0 0.0.0.0

What OSPF command, when configured, will include all interfaces into area 0?

network all-interfaces area 0

network 0.0.0.0 255.255.255.255 area 0

network 255.255.255.255 0.0.0.0 area 0

network 0.0.0.0 0.0.0.0 area 0

View the exhibit. When running EIGRP, what is required for router RT1 to exchange routing updates with router RT3?

The no auto-summary command is needed on router RT1 and router RT3.

Loopback interfaces must be configured so a DR is elected.

Router RT2 needs to have two network statements, one for each connected network.

AS numbers must be changed to match on all the routers.

Which command is used to enable CHAP authentication with PAP as the fallback method on a serial interface?

(configif)# authentication ppp chap pap

(configif)# ppp authentication chap pap

(configif)# authentication ppp chap fallback ppp

(configif)# ppp authentication chap fallback ppp

Which type of interface can negotiate an IP address for a PPPoE client?

Serial

Frame Relay

Ethernet

Dialer

Which command can you enter to determine whether serial interface 0/2/0 has been configured using HDLC encapsulation?

Router#show ip interface brief

Router#show ip interface s0/2/0

Router#show interfaces Serial 0/2/0

Router#show platform

During which phase of PPPoE is PPP authentication performed?

The PPP Session phase

The Authentication phase

The Active Discovery phase

Phase 1

Phase 2

Which protocol is an open standard protocol framework that is commonly used in VPNs, to provide secure end-to-end communications?

PPTP

IPsec

L2TP

RSA

Which type of topology is required by DMVPN?

Hub-and-spoke

Partial mesh

Ring

Full mesh

Which three circumstances can cause a GRE tunnel to be in an up/down state? (Choose three.)

The tunnel address is routed through the tunnel itself.

The ISP is blocking the traffic.

An ACL is blocking the outbound traffic.

The tunnel interface is down.

A valid route to the destination address is missing from the routing table.

Which statement about MPLS is true?

It operates in Layer 1.

It operates in Layer 2.

It operates between Layer 2 and 3.

It operates in Layer 3.

Which layer 2 protocol encapsulation type supports synchronous and asynchronous circuits and has built-in security mechanisms?

HDLC

PPP

X.25

Frame Relay

Which part of the PPPoE server configuration contains the information used to assign an IP address to a PPPoE client?

Virtual-template interface

Dialer interface

AAA authentication

DHCP

A network administrator needs to configure a serial link between the main office and a remote location. The router at the remote office is a non-Cisco router. How should the network administrator configure the serial interface of the main office router to make the connection?

Main(config)# interface serial 0/0, Main(configif)# ip address 172.16.1.1 255.255.255.252, Main(configif)# no shut

Main(config)# interface serial 0/0, Main(configif)# ip address 172.16.1.1 255.255.255.252, Main(configif)# encapsulation ppp, Main(configif)# no shut

Main(config)# interface serial 0/0, Main(configif)# ip address 172.16.1.1 255.255.255.252, Main(configif)# encapsulation framerelay, Main(configif)# authentication chap, Main(configif)# no shut

Main(config)# interface serial 0/0, Main(configif)# ip address 172.16.1.1 255.255.255.252, Main(configif)# encapsulation ietf

What are three broadband wireless technologies? (Choose three.)

WiMax

Municipal Wi-Fi

Site-to-site VPN

DSLAM

Satellite Internet

CCNA 200-125

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