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QUESTION 16
Which protocol can you use to dynamically discover directly connected neighbors in the network for inventory purposes?
A. Simple Network Management Protocol
B. Cisco Discovery Protocol
C. Remote Monitoring
D. Secure Shell
Answer: B
QUESTION 17
Why do service providers have a difficult time guaranteeing performance levels in SLAs?
A. Response times are not easily measured.
B. Network outages cannot be avoided.
C. Performance parameters are not available.
D. The shared infrastructure is dynamic.
Answer: D
QUESTION 18
When monitoring service levels against the requirements of an SLA, which three questions should you ask when defining the data collection methodology? (Choose three.)
A. How should the data records be collected?
B. What security is required for the data records?
C. Where in the network should you collect the data records?
D. What type of information should be collected?
Answer: ACD
QUESTION 19
Which two statements about Cisco IOS XR NTP configuration are true? (Choose two.)
A. A network device can obtain NTP time information in three ways: polling the NTP server, listening to NTP broadcasts, and listening to NTP multicasts.
B. NTP authentication supports MD5, SHA1, or SHA2.
C. Client mode is a peer-to-peer mode.
D. The two types of poll-based NTP associations are client mode and symmetric active mode.
E. The Cisco IOS-XR implementation of NTP supports stratum 1 service.
F. In client mode, clients can dynamically learn the NTP sever IP address by listening to the NTP server broadcasts or multicasts.
Answer: AD
QUESTION 20
Which SNMPv2/SNMPv3 operation is not supported in Cisco IOS XR software?
A. get-bulk
B. get-request
C. inform
D. trap
E. set-request
Answer: C
QUESTION 21
Which three statements about the Cisco IOS XR task-based user authorization method are true? (Choose three.)
A. A user’s association with a particular user group links that user to a particular set of task IDs.
A user that is associated with a task ID can execute any operation associated with that task ID.
B. Users can be assigned only to one user group.
C. Every user group is associated with one or more task groups.
D. Every task group is defined by a set of task IDs.
E. Each user is assigned a privilege level.
F. Each IOS XR CLI command is assigned a privilege level.
G. A task ID maps the IOS XR command to a privilege level.
Answer: ACD
QUESTION 22
Which three statements about Cisco IOS XR CLI operations are true? (Choose three.)
A. Cisco IOS XR uses a three-stage configuration method.
B. Committed changes are persistent across reboots in Cisco IOS XR.
C. The commit replace global configuration command replaces the contents of the running configuration with the target configuration.
D. The save global configuration command saves the contents of target configuration to the running configuration.
E. There is no concept of a startup-config in Cisco IOS XR.
F. The clear global configuration command erases the entire current running configuration.
G. The show running-config global configuration command displays the configuration that occurs if the contents of the uncommitted changed (target configuration) are committed to the running configuration.
Answer: BCE
QUESTION 23
What is the result of using the Cisco IOS copy tftp: run command?
A. The running configuration on the Cisco IOS device is backed up to the TFTP server.
B. Only new configuration parameters from the saved configuration file on the TFTP server are added to the running configuration. No changes to any existing configuration parameters in the running configuration are made.
C. The running configuration on the Cisco IOS device is replaced with the saved configuration file on the TFTP server.
D. The configuration stored in the TFTP server is merged with the running configuration on the Cisco IOS device.
E. The saved configuration file from the TFTP server is copied to the target configuration.
Answer: D
QUESTION 24
Which component is integrated into the Cisco IPoDWDM interfaces?
A. ROADM
B. transponder
C. electrical cross connect
D. E-O-E converter
E. SONET/SDH controller
Answer: B
QUESTION 25
What is the SDH equivalent of the SONET STS-12 framing format?
A. SDH STM-1
B. SDH STM-4
C. SDH STM-12
D. SDH STM-16
E. SDH STM-64
Answer: B
QUESTION 26
What are the three RFC 1918 IPv4 private address ranges? (Choose three.)
A. 10.0.0.0 – 10.255.255.255
B. 172.16.0.0 – 172.255.255.255
C. 172.16.0.0 – 172.31.255.255
D. 192.168.0.0 – 192.168.31.255
E. 192.168.0.0 – 192.168.255.255
Answer: ACE
QUESTION 27
With a distance vector routing protocol like RIPv1, when is a route in the routing table placed in the “possibly down” state?
A. when a router receives an update from its neighbor router about a network in its routing table but with a worse metric
B. when a router receives an update from its neighbor router about a network in its routing table but with a better metric
C. when a router receives an update from its neighbor router indicating that a previously accessible network is now inaccessible
D. whenever the router receives an update from its neighbor about a newly learned network
E. whenever the router interface that is used to reach the remote network goes down
Answer: C
QUESTION 28
When EIGRP is enabled on Cisco IOS XR, which EIGRP feature is on by default?
A. no auto-summary
B. stub routing
C. unequal cost paths load-balancing
D. no ip eigrp split-horizon
E. eigrp authentication
Answer: A
QUESTION 29
Which feature is used to protect the control plane of the router?
A. port security
B. uRPF
C. routing protocol authentication
D. VRF
E. SSH
F. SSL
Answer: C
QUESTION 30
Given the IP address of 209.168.200.155/27, which two options are the subnet that this IP address belongs to and the subnet broadcast IP address? (Choose two.)
A. 209.168.200.64 255.255.255.224
B. 209.168.200.96 255.255.255.224
C. 209.168.200.128 255.255.255.224
D. 209.168.200.95
E. 209.168.200.127
F. 209.168.200.159
Answer: CF
New 640-875 exam questions from PassLeader 640-875 dumps! Welcome to download the newest PassLeader 640-875 VCE and PDF dumps: http://www.passleader.com/640-875.html (202 Q&As –> 268 Q&As)
P.S. Free 640-875 dumps are available on Google Drive shared by PassLeader: https://drive.google.com/open?id=0B-ob6L_QjGLpZGpwNTVrRmdFaVU
