Refer to the exhibit. Routers A and B are directly connected and running OSPF， but they are unable to form a neighbor relationship. What is the most likely cause？（）https://assets.asklib.com/images/image2/2018072408592345384.jpg

A . The map prohibits th e redistribution of all type 2 external OSPF routes. B . All routes that do no match clauses 10 and 20 of the route map are redistributed with their tags set to 8. C . The map prohibits the redistribution of all external OSPF routes with tag 6 set. D . Th e map permits the redistribution of all type 1 external OSPF routes. E . The map redistributes into EIGRP all routes that match the pfx prefix list and the five metric values?0000, 1000, 255, 1, and 1500. F . The map prohibits the redistribution of all ty pe 2 external OSPF routes with tag 6 set.

A . Hosts connected to the FastEthernet0/1 interface will not receive DHCP replies from the router B . The first DHCP client to connect to the FastEthernet 0/1 interface will receive the IP address10.10.0.1 C . The first DHCP client to connect to the FastEthernet 0/0 interface will receive the IP address10.0.0.1 D . DHCP requests received on the FastEthernet 0/1 interface will be forwarded to 10.0.0.2 E . The first DHCP client to connect to the FastEthernet 0/0 interface will receive the IP address10.0.0.6

A . The map prohibits the redistribution of all type 2 external OSPF routes with tag 6 set B . The map prohibits the redistribution of all type 2 external OSPF routes C . The map redistributes into EIGRP all routes that match the pfx prefix list and the five metric values40000， 1000， 255， 1， and 1500 D . The map prohibits the redistribution of all external OSPF routes with tag 6 set E . All routes that do no match clauses 10 and 20 of the route map are redistributed with their tags set to 8 F . The map permits the redistribution of all type 1 external OSPF route

A . Any traffic matching signature 1107 will generate an alarm， reset the connection，and be dropped. B . Signature 1102 has been modified， but the changes have not been applied to the router. C . Signature 1102 has been triggered because of matching traffic. D . The Edit IPS window is currently displaying the Global Settings information. E . The Edit IPS window is currently displaying the signatures in Details view. F . The Edit IPS window is currently displaying the signatures in Summary view.

A . VRRP misconfiguration B . spanning tree issues C . transport layer issues D . physical layer issues E . HSRP misconfiguratio

A . WRED B . traffic shaping C . packet marking D . packet classification E . FIFO queuing within the cla

A . When traffic is sent from the ISP to autonomous system 64512， the traffic will be forwarded toSanJose2 because of the higher MED value of SanJose2 B . The serial 0/0/1 interface on the ISP router has been configured with the set metric 50command C . The output was generated by entering the show ip bgp command on the SanJose1 router D . The output was generated by entering the show ip bgp command on the ISP router E . The serial 0/0/1 interface on the ISP router has been configured with the set metric 75command F . When traffic is sent from the ISP to autonomous system 64512， the traffic will be forwarded toSanJose1 because of the lower MED value of SanJose1

A . There is a mismatch in encapsulation types B . The wrong type of cable is connected to the interface C . The interface has been configured with the shutdown command D . The interface is not receiving any keepalives E . The interface needs to be configured as a DTE device F . There is no encapsulation type configured

A . It tells the router or switch to try establish an SSH connection first and if that fail to use telnet. B . It configures a cisco network device to use the SSH protocol on incoming communications via the virtual terminal ports. C . It allows seven failed login attempts before the VTY lines are temporarily shutdown. D . It configures the virtual terminal lines with the password 030752180500. E . It configures SSH globally for all logins.

A . Packet is destined for a local interface to the router. B . Packet was translated, but no response was received from the distant device. C . Packet was not translated, because no additional ports are available. D . Packet was translated and fast switched to the destination.

A . DHCP requests from the host will be rebroadcasted to R2 B . To complete this configuration， the R1 fa0/0 interface must be configured with the ip helper-addresses command C . To complete this configuration， the R2 fa0/0 interface must be configured with the ip helper-addresses command D . R1 will forward all DHCP requests to both 192.168.100.1 and 192.168.200.1 as unicastmessages E . R1 will forward DHCP requests to 192.168.100.1. If there is no response， R1 will then forwardthe requests to 192.168.200.1

A . enabling modular QoS over Frame Relay B . enabling Real-Time Transport Protocol （RTP） header compression C . enabling distributed compressed Transmission Control Protocol D . enabling latency and jitter reduction for Transmission Control traffic E . enabling TCP header compressio

A .  transport layer issues B .  VRRP misconfiguration C .  HSRP misconfiguration D .  physical layer issues E .  spanning tree issue

A . DHCP requests from the host will be rebroadcasted to R2. B . To complete t his configuration, the R1 fa0/0 interface must be configured with the ip helper - addresses command. C . To complete this configuration, the R2 fa0/0 interface must be configured with the ip helper -addresses command. D . R1 will forward all DHCP requests t o both 192.168.100.1 and 192.168.200.1 as unicast messages. E . R1 will forward DHCP requests to 192.168.100.1. If there is no response, R1 will then forward the requests to 192.168.200.1.

A . The interval value should be configured at 150ms since that is target latency budget. B . This router never delayed any packets. C . This router is provisioned for a 256K DSL link. D . The inside LAN interface is Ethernet 0/0.

A . CGMP version 2 is being used. B . The switch will use sparse mode first, dense mode second. C . A rendezvous point must be configured in order for the interface to operate in sparse mode. D . IGMP version 2 is being used. E . The rendezvous point is IP address 172.16.4.16. F . If a rendezvous point is configured, the interface cannot operate in dense mode.

A . ip routing B . no ip routing C . router eigrp 1 D . no router eigrp 1 E . mls qos F . no mls qo

<img src='https://img2.soutiyun.com/ask/uploadfile/2019-03-27/28e0d71a8ccd751c5a7f9c6a7dba7abf.jpg' /> A. The default administrative distance has been changed. B. IS - IS is not enabled. C. Three physical interfaces are taking part in integrated IS - IS. D. IS - IS is not redistributing any oth er routing protocols. E. There are two neighboring routers sending IS - IS routing information. F. Address summarization is configured.

<img src='https://img2.soutiyun.com/ask/uploadfile/2019-03-27/3f045f77c2fdb845bea361bfaf30df1f.jpg' /> A.No dynamic interior routing protocol can summarize as shown B.Unless configured otherwise, EIGRP would automatically summa rize the prefixes as shown in the exhibit C.With this IP addressing scheme, EIGRP can be manually configured to summarize prefixes at the specified summarization points D.The IP address design lends itself to OSPF Each summarizing router would be an ABR, summarizing to the next area in the address hierarchy

<img src='https://img2.soutiyun.com/ask/uploadfile/2019-03-27/7d97864996209a34c87d227a35adff83.png' /> A. The router will rebroadcast any DHCP requests received by this interface out to all interfaces included in the ip helper - address commands. B. The router will rebroadcast any UDP broadcasts received by this interface out to all interfaces included in the ip helper - address commands. C. The router will unicast any DHCP requests received by this interface out to all addresses included in the ip helper - address commands. D. This configuration will not do anything because the ip helper - address command needs to also be applied to the 192.168.23.1 IP address.

<img src='https://img2.soutiyun.com/ask/uploadfile/2019-02-05/72ab8f6538ac9ce22dc27503a9f6be9f.jpg' /> A.Router1 will strip off the source MAC address and replace it with the MAC address 0000.0c36.6965. B.Router1 will strip off the source IP address and replace it with the IP address 192.168.40.1. C.Router1 will strip off the destination MAC address and replace it with the MAC address 0000.0c07.4320. D. Router1 will strip off the destination IP address and replace it with the IP address of 192.168.40.1. E.Router1 will forward the data packet out interface FastEthernet0/1. F.Router1 will forward the data packet out interface FastEthernet0/2.

<img src='https://img2.soutiyun.com/shangxueba/ask/64347001-64350000/64349888/0398b672a5fe93231b8d66737518db9a.png' /> A.It has more than one interface that is connected to the root network segment. B.It is running RSTP while the elected root bridge is running 802.1d spanning tree. C.It has a higher MAC address than the elected root bridge. D.It has a higher bridge ID than the elected root bridge.

Refer to the exhibit. All routers have Protocol Independent Multicast (PIM) enabled interfaces. On the basis of the configuration provided on routers R1 and R2, which router will take on the func tion of rendezvous point (RP) for the multicast network？ （） <img src='https://img2.soutiyun.com/shangxueba/ask/64284001-64287000/64286717/51a2c983ef58d8ddaf77650bc0427e04.jpg' /> A. both routers R1 and R2 B. router R1 C. router R2 D. none of the routers since they are not configured with static RP

<img src='https://img2.soutiyun.com/shangxueba/ask/64308001-64311000/64308470/76e6facffcf5f1271b76bfe3c5a96843.jpg' /> A. Router RTA is the BDR B. Router RTA is directly connected to interface 192.168.45.1 C. Neighbor 192.168.45.1 has changed its OSPF priority number D. Router RTA and neighbor 192.168.45.2 are exchanging OSPF LSAs

A．RouterAisthemastervirtualrouter，andRouterBisthebackupvirtualrouter．WhenRouterAfails，RouterBwillbecomethemastervirtualrouter．WhenRouterArecovers，RouterBwillmaintaintheroleofmastervirtualrouter． B．RouterAisthemastervirtualrouter，andRouterBisthebackupvirtualrouter．WhenRouterAfails，RouterBwillbecomethemastervirtualrouter．WhenRouterArecovers，itwillregainthemastervirtualrouterrol E． C．RouterBisthemastervirtualrouter，andRouterAisthebackupvirtualrouter．WhenRouterBfails，RouterAwillbecomethemastervirtualrouter．WhenRouterBrecovers，RouterAwillmaintaintheroleofmastervirtualrouter． D．RouterBisthemastervirtualrouter，andRouterAisthebackupvirtualrouter．WhenRouterBfails，RouterAwillbecomethemastervirtualrouter．WhenRouterBrecovers，itwillregainthemastervirtualrouterrol E．