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When an IPv6 enabled host boots, it sends a router solicitation (RS) message. An IPv6 router responds with a router advertisement (RA). Which two items are c ontained in the RA?（）
A . any route advertisements it has received
B . prefixes for the link
C . keepalive timers
D . IPv6 address for the host
E . request for the local host IP address
F . lifetime of the prefix
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In a Teleworker deployment with a single IP phone connected to a Cisco 831 router, select the true statement regarding Call Admission Control.（）
A . RSVP is a required configuration to support conference calls without voice packet loss.
B . The QoS configuration on the 831 router must always provision sufficient bandwidth for two RTP streams.
C . Call admission control is an issue only when using hardware DSP resources.
D . When using the conference call features on a 7960 IP phone, only one RTP stream is present regardless of how many extensions are on the conference.
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The subnet mask on the serial interface of a router is expressed in binary as 11111000 for the last octet. How do you express the binary number 11111000 in decimal?（）
A . 210
B . 224
C . 240
D . 248
E . 252
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In a lab, two routers are connected directly together using serial interfaces in a back-to-back configuration. No external DCE devices are being used. What additional command is needed to bring this link up?（）
A . serialup
B . clock
C . clockrate
D . dcerate
E . dterate
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If all OSPF routers in a single area are configured with the same priority value,what value dose a router use for the ODPF router ID in the absence of a loopback interface?（）
A . the IP address of the first Fast Ethernet interface
B . the IP address of the console management interface
C . the highest IP address among its active interfaces
D . the lowest IP address among its active interfaces
E . the priority value until a loopback interface is configured
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When a router is connected to a Frame Relay WAN link using a serial DTE interface, how is the interface clock rate determined（）。
A . It is supplied by the CSU/DSU.
B . It is supplied by the far end router.
C . It is determined by the clock rate command.
D . It is supplied by the Layer 1 bit stream timing.
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Which command can be used to determine the type of cable attached to the Serial 0/0 interface on a router?（）
A . show interfaces serial 0/0
B . show running-config
C . show version
D . show controllers serial 0/0
E . show ip interface
F . show line serial 0/0
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If the router R1 has a packet with a destination address 192.168.1.255, what describes the operation of the network（）。
A . R1 will forward the packet out all interfaces.
B . R1 will drop this packet because this it is not a valid IP address.
C . As R1 forwards the frame containing this packet, Sw-A will add 192.168.1.255 to its MAC table.
D . R1 will encapsulate the packet in a frame with a destination MAC address of FF-FF-FF-FF-FF-FF
E . As R1 forwards the frame containing this packet, Sw-A will forward it to the device assigned the IP address of 192.168.1.255.
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When configuring a serial interface on a router, what is the default encapsulation?（）
A . atm-dxi
B . frame-relay
C . hdlc
D . lapb
E .
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You might recommend a Cisco Integrated Services Router to a business with whichcharacteristic？（）
A . a high-bandwidth environment with applications such as IP video
B . a predominantly telecommuter workforce
C . a robust LAN intrusion detection system
D . the intention to upgrade from Cisco Unified Communications Manager Express to Cisco Unified Communications Manager
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You are preparing to create a point to point WAN by connecting a Cisco router with a Juniper router by way of their serial links. Which one of the following commands would you use?（）
A . TK1(config-if)# encapsulation hdlc ansi
B . TK1(config-if)# encapsulation ppp
C . TK1(config-if)# encapsulation LAPD
D . TK1(config-if)# encapsulation frame-relay ietf
E . TK1(config)#encapsulation
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Which command would correctly configure a serial port on a router with the last usable host address in the 192.216.32.32/29 subnet？（）
A . Router(config-if)# ip address 192.216.32.38 255.255.255.240
B . Router(config-if)# ip address 192.216.32.39 255.255.255.224
C . Router(config-if)# ip address 192.216.32.63 255.255.255.248
D . Router(config-if)# ip address 192.216.32.39 255.255.255.248
E . Router(config-if)# ip address 192.216.32.38 255.255.255.248
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Router R1 connects to a Frame Relay cloud using a multipoint subinterface, with ten PVCs associated with the subinterface. What command would make this router not use a DR, and dynamically discover OSPF neighbors?（）
A . ip ospf network broadcast
B . ip ospf network non - broadcast
C . ip ospf network point - to - multipoint
D . ip ospf network point - to - multipoint non - broadcast
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A switch has been configured with two vlans and is connected to a router with a trunk for inter-vlan routing.OSPF has been configured on the router，as the routing protocol for the network.Which statement about thisnetwork is true？（）
A . For the two vlans to communicate，a network statement for the trunk interface needs to be added to the OSPF configuration.
B . For the two vlans to communicate， a network statement for each subinterface needs to be added to the OSPF configuration.
C . Direct inter-vlan communication does not require OSPF
D . OSPF cannot be used if router-on-a-stick is configured on the router
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Router R1 connects to a Frame Relay cloud using a multipoint subinterface, with ten PVCs associated with the subinterface. What command would make this router not use a DR and require static OSPF neighbor definition?（）
A . ip ospf network broadcast
B . ip ospf netw ork non - broadcast
C . ip ospf network point - to - multipoint
D . ip ospf network point - to - multipoint non - broadcast
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A router has been configured with an EIGRP variance of 3. Which of the following statements istrue？（）
A . An error will result because a router cannot be configured with an EIGRP variance of 3 becausethe maximum variance number is 2
B . The successor route will end up in the routing table， and so will any route with a metric at mostthree times greater than the value of the successor’s metric
C . EIGRP will only advertise routes that are within three hops of the current router
D . The successor route will end up in the routing table， and so will any route with a metric at leastone third the value of the successor’s metric
E . The best three routes with equal cost paths will end up in the routing table
F . The successor route will be any route with three times the value of the advertised distance
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Which two privileged mode cisco ios commands can be used to determine a cisco router chassis serial number?（）
A . show inventory
B . show flash：filesys
C . dirflash：include chassis
D . show diag
E . show controller
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Which of the following are benefits of segmenting a network with a router?（）
A . Broadcasts are not forwarded across the router.
B . All broadcasts are completely eliminated.
C . Adding a router to the network decreases latency.
D . Filtering can occur based on Layer 3 information.
E . Routers are more efficient than switches and will process the data more quickly.
F . None of the above.
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The Peanut router is able to successfully ping the Serial 0 and Ethernet 0 interface of the Popcorn router, but a ping issued to the Ethernet 1 interface fails. Based on the above output, what are the potential causes of this problem?（）
A . The Popcorn router is not forwarding RIP updates.
B . The Popcorn router did not include network 192.168.12.0 in its routing configuration.
C . The Ethernet1 interface of the Popcorn router is shutdown.
D . The clockrate is not present in the configuration of one of the routers.
E . The Serial interface of the Popcorn router is not operating.
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When a router is connected to a Frame Relay WAN link using a serial DTE interface, how is the interface clock rate determined?（）
A . It is supplied by the CSU/DSU.
B . It is supplied by the far end router.
C . It is determined by the clock rate command.
D . It is supplied by the Layer 1 bit stream timing.
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You need to serialize an object of type List<int> in a binary format. The object is named data. Which code segment should you use?（）
A .https://assets.asklib.com/images/image2/2018072715241748930.jpg
B .https://assets.asklib.com/images/image2/2018072715242076484.jpg
C .https://assets.asklib.com/images/image2/2018072715242413458.jpg
D .https://assets.asklib.com/images/image2/2018072715242755975.jpg
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Under the serial payment method, the instruction to credit a beneficiary account is sent together with the instruction to debit sender’s account.( )
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There is a connectivity problem between the serial 0/0 interface of router TESTKING1 and the serial 0/0 interface of TESTKING2. A leased line point to point circuit is installed between these two routers. The output from the "show interface serial 0/0" command is displayed below for each of these routers:From your observations of the above exhibit, what is the underlying cause of the problem？（）
<img src='https://img2.soutiyun.com/ask/uploadfile/2019-03-27/b17dddd730e091bfb3b0a6de92ff9e06.jpg' />
<img src='https://img2.soutiyun.com/ask/uploadfile/2019-03-27/699d5fe003abc58d748867d706612879.jpg' />
A. The loopback is not set.
B. The serial cable is faulty.
C. The subnet mask is not configured properly.
D. The IP address is not configured properly.
E. The Layer 2 frame types are not compatible.
F. The keepalive setting is not configured properly.
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Refer to the exhibit. When running OSPF, What would cause router A not to form an adjacency with router B？（）
<img src='https://img2.soutiyun.com/ask/uploadfile/2019-03-27/67e52e69e1cc511a71a60a5d0c35c68a.jpg' />
A.The loopback addresses are on different subnets
B.The value of the dead timers on the router are different
C.Route summarization is enabled on both routers
D.The process indentifier on router A is different than the process identifier on router B
