640-875 Latest Exam (Aug 2018)

[Free] 2018(Aug) Ensurepass Cisco 640-875 Dumps with VCE and PDF 81-90

September 7, 2018

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Building Cisco Service Provider Next-Generation Networks, Part 1 (SPNGN1)

Question No: 81 – (Topic 8)

Which three statements about the Cisco IOS XR task-based user authorization method are true? (Choose three.)

  1. A user#39;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.

  2. Users can be assigned only to one user group.

  3. Every user group is associated with one or more task groups.

  4. Every task group is defined by a set of task IDs.

  5. Each user is assigned a privilege level.

  6. Each IOS XR CLI command is assigned a privilege level.

  7. A task ID maps the IOS XR command to a privilege level.

Answer: A,C,D

Question No: 82 – (Topic 8)

What is a the best way to secure the route processor on a Cisco device?

  1. Route processor traffic control

  2. Control plane quality of service

  3. Control plane policing

  4. Access lists

Answer: C

Question No: 83 – (Topic 8)

Which two statements are correct regarding routing protocol authentication? (Choose two.)

  1. MD5 authentication can only be established between Internal BGP peers.

  2. Authentication can be established using keychains on one peer and MD5 hashing on the other.

  3. UDP port 179 is used for BGP session authentication.

  4. MD5 passwords are never sent to a peer.

  5. Routers authenticate each routing update packet received.

  6. BGP peers can be configured with different passwords.

Answer: D,E

Question No: 84 – (Topic 8)

What is the Cisco IOS command that is used to prevent the route of the incoming traffic from an unknown network?

  1. Interface FastEthernet 0/0ip verify unicast source reachable-via any allow-default

  2. Interface FastEthernet 0/0ip verify multicast source reachable-via any allow-default

  3. Interface FastEthernet 0/0ip verify unicast destination reachable-via any allow-default

  4. Interface FastEthernet 0/0ip verify multicast destination reachable-via any allow-default

Answer: A

Question No: 85 – (Topic 8)

Which statement about SSH is true?

  1. It is a TCP/IP transport layer protocol.

  2. It uses TCP port number 22.

  3. It securely encrypts Telnet.

  4. It uses UDP port 23.

  5. Passwords are sent in clear text.

  6. It is an OSI network layer protocol.

Answer: B

Topic 9, Network Management

Question No: 86 – (Topic 9)

What is the measurement of the Cisco IP SLA Operation ICMP Pather Jitter?

  1. Measures delay and jitter on networks utilizing UDP traffic

  2. Measures packet loss, jitter, and delay per hop in IP networks

  3. Measures round-trip delay only in UDP traffic networks

  4. Measures IP networks-only round-trip delay

Answer: B

Question No: 87 – (Topic 9)

Refer to the exhibit.

Ensurepass 2018 PDF and VCE

A new policy requires all configurations to be saved to flash and backed up to a TFTP server based off the hostname at 12:05am every day. Based upon the configuration, which two commands are required to accomplish this? (Choose two.)

  1. kron occurrence daily-config-backup at 0:05 recurringpolicy-list backup-config

  2. kron occurrence daily-config-backup at 12:05 recurringpolicy-list backup-config

  3. kron policy-list backup-configcli write memorycli show running-config| redirect tftp://$h.cfg

  4. kron policy-list backup-configcli write memorycli show running-config| redirect tftp://$hostname.cfg

Answer: A,C

Question No: 88 – (Topic 9)

Which command set is required to enable a remote SNMP query on an IOS-XR router?

  1. control-planemanagement-planeinbandinterface allallow SNMPcommit

  2. control-planemanagement-planeinbandinterface allallow SNMP

  3. snmp server hostsnmp server contactsnmp-server community stringcommit

  4. snmp server hostsnmp server contactsnmp-server community string

Answer: A

Question No: 89 – (Topic 9)

Which multiplexing technology has minimal impact to production traffic when changes are implemented to a live circuit?

  1. Dark fiber

  2. DWDM

  3. IPoDWDM

  4. ROADM

Answer: D

Question No: 90 – (Topic 9)

Refer to the exhibit.

Ensurepass 2018 PDF and VCE

Which statement about this show command output is true?

  1. The S78 switch is performing remote-SPAN.

  2. All traffic that ports Fa0/1, Fa0/2, Fa0/3, and Fa0/4 send and receive is monitored.

  3. All traffic that port Gi0/1 sends and receives is monitored.

  4. The sniffer (network analyzer) should be connected to the Gi0/1 port.

  5. The SPAN destination interface replicates the source interface encapsulation method.

Answer: D

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