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2018 Aug Cisco Official New Released 640-875
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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.)
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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.
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Users can be assigned only to one user group.
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Every user group is associated with one or more task groups.
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Every task group is defined by a set of task IDs.
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Each user is assigned a privilege level.
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Each IOS XR CLI command is assigned a privilege level.
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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?
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Route processor traffic control
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Control plane quality of service
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Control plane policing
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Access lists
Answer: C
Question No: 83 – (Topic 8)
Which two statements are correct regarding routing protocol authentication? (Choose two.)
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MD5 authentication can only be established between Internal BGP peers.
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Authentication can be established using keychains on one peer and MD5 hashing on the other.
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UDP port 179 is used for BGP session authentication.
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MD5 passwords are never sent to a peer.
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Routers authenticate each routing update packet received.
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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?
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Interface FastEthernet 0/0ip verify unicast source reachable-via any allow-default
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Interface FastEthernet 0/0ip verify multicast source reachable-via any allow-default
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Interface FastEthernet 0/0ip verify unicast destination reachable-via any allow-default
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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?
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It is a TCP/IP transport layer protocol.
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It uses TCP port number 22.
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It securely encrypts Telnet.
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It uses UDP port 23.
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Passwords are sent in clear text.
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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?
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Measures delay and jitter on networks utilizing UDP traffic
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Measures packet loss, jitter, and delay per hop in IP networks
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Measures round-trip delay only in UDP traffic networks
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Measures IP networks-only round-trip delay
Answer: B
Question No: 87 – (Topic 9)
Refer to the exhibit.
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.)
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kron occurrence daily-config-backup at 0:05 recurringpolicy-list backup-config
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kron occurrence daily-config-backup at 12:05 recurringpolicy-list backup-config
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kron policy-list backup-configcli write memorycli show running-config| redirect tftp://209.165.200.226/$h.cfg
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kron policy-list backup-configcli write memorycli show running-config| redirect tftp://209.165.200.226/$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?
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control-planemanagement-planeinbandinterface allallow SNMPcommit
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control-planemanagement-planeinbandinterface allallow SNMP
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snmp server hostsnmp server contactsnmp-server community stringcommit
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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?
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Dark fiber
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DWDM
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IPoDWDM
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ROADM
Answer: D
Question No: 90 – (Topic 9)
Refer to the exhibit.
Which statement about this show command output is true?
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The S78 switch is performing remote-SPAN.
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All traffic that ports Fa0/1, Fa0/2, Fa0/3, and Fa0/4 send and receive is monitored.
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All traffic that port Gi0/1 sends and receives is monitored.
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The sniffer (network analyzer) should be connected to the Gi0/1 port.
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The SPAN destination interface replicates the source interface encapsulation method.
Answer: D
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