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Implementing and Maintaining Cisco Technologies Using IOS XR

Question No: 41

Which three configuration steps are mandatory in order to enable NetFlow sampling on Cisco IOS XR Software? (Choose three.)

1. flow monitor-map

2. sampler-map

3. flow exporter-map

4. interface netflow configuration

5. importer-map

Answer: A,B,D

Question No: 42

Which command configures IPv4 uRPF strict mode on an interface?

1. ipv4 verify unicast source reachable-via any

2. ipv4 verify unicast source reachable-via tx

3. ipv4 verify unicast source reachable-via rx

4. ipv4 verify unicast destination reachable-via rx

5. ipv4 verify multicast source reachable-via tx

Answer: C

Question No: 43

Which command in Cisco IOS XR Software is the recommended way to configure an IPv4 address on an interface?

A. ip address 10.0.0.1/8

B. ip address 10.0.0.1 255.0.0.0

1. ipv4 address 10.0.0.1/8

2. ip addr add 10.0.0.1/8 dev Gig 0/0/0/0

Answer: C

Question No: 44

Refer to the exhibit.

What is the expected behavior for the following Cisco IOS XR config?

1. The interface will have IPv6 address 10:10::1/64 only.

2. The interface will have IPv6 address 20:20::1/64 only.

3. The interface will have IPv6 address 10:10::1/64 and IPv6 address 20:20::1/64.

4. The commit will fail.

Answer: C

Question No: 45

In Cisco IOS XR platforms, IP multicast packets are replicated on which two components? (Choose two.)

1. switch fabric

2. ingress line card

3. egress line card

4. multicast forwarding ASIC

Answer: A,C

Question No: 46

Which Cisco IOS XR command is the most useful for checking if traffic is being sent for a specific multicast group?

1. show ip mroute traffic 226.1.1.1

2. show mrib route 226.1.1.1

3. show multicast stats

4. show mfib route 226.1.1.1

Answer: D

Question No: 47

Which configuration is required in order for chassis management (for example, power and fan statistics) to be polled using SNMP?

1. snmp-server community lt;communitygt; RO

2. snmp-server community lt;communitygt; SDROwner

3. snmp-server community lt;communitygt; SystemOwner

4. snmp-server community lt;communitygt; RW

Answer: C

Question No: 48

What is the effect of configuring quot;logging disablequot;?

1. It will stop the router from sending logs to a syslog server.

2. It will stop the router from displaying logs on a vty (Telnet or SSH) session.

3. It will stop the router from displaying logs on a console session.

4. It will stop the router from archiving logs to a local disk.

Answer: C

Question No: 49

Which configuration command will set EXEC shell timeout on the console to 300 seconds?

1. line console exec-timeout 5 0

2. line console session-timeout 300

3. line console session-timeout 300 output

4. line console timeout login response 300

Answer: A

Question No: 50

Which four list the mandatory steps in order to implement SSH v1 access on Cisco IOS XR Software? (Choose four.)

1. install and activate services PIE

2. install and activate security PIE

3. reload system after installing required PIE

4. generate SSH cryptography key

5. configure hostname and domain name

6. configure ssh-server in owner SDR

7. configure AAA services on the router

8. configure TACACS server on the router

Answer: B,D,E,F

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