Refer to the exhibit. When running OSPF, What would cause router A not to form an adjacency with router B?（）https://assets.asklib.com/images/image2/2018072410262779147.jpg

A . The WCS sends new rouge access point notifications. B . The WCS locates and monitors rouge access points until they are eliminated or acknowledged. C . The WCS reconfigures the rouge access point with proper authentication credentials. D . The WCS sends deauthenticate and disassociate messages to the rouge access point. E . The WCS contains rouge access points by sending their clients deauthenticate and disassociate messages F . The WCS sends deauthenticate and disassociate messages to all wireless clients on the network.

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.

A . P，S，T，U B . U，T，S，P C . S，U，P，T D . P，U，S，T E . S，P，U，T F . S，P，T，U

A . Proper placement depends on the VLAN assignment. B . Place it outside the firewall. C . Place it inside the firewall to make design and management easier. D . Place it inside the firewall with multiple context modes connecting to all configured contexts.

A . RTP traffic is exchanged between IP phone P1 and IP phone P2. IP phone P1 alerts the CCM of off-hook state. CCM instructs IP phone P1 to provide dialtone. IP phone P1 passes digits to CCM. CCM routes call to PSTN or IP phone P2. B . CCM instructs IP phone P1 to provide dialtone. IP phone P1 alerts the CCM of off-hook state. IP phone P1 passes digits to CCM. CCM routes call to PSTN or IP phone P2. RTP traffic is exchanged between IP phone P1 and IP phone P2.  C . CCM instructs IP phone P1 to provide dialtone.IP phone P1 alerts the CCM of off-hook state. IP phone P1 passes digits to CCM. RTP traffic is exchanged between IP phone P1 and IP phone P2. CCM routes call to PSTN or IP phone P2. D . IP phone P1 alerts the CCM of off-hook state. CCM instructs IP phone P1 to provide dialtone. IP phone P1 passes digits to CCM. CCM routes call to PSTN or IP phone P2. RTP traffic is exchanged between IP phone P1 and IP phone P2.

A . WPA/WPA2/CCKM B . WPA/WPA2 Passphrase C . 802.1x D . Pre-Shared Key （Static WEP）

A .  The traffic coming from Host2 is forwarded through router R2 with no disruption. The traffic from  Host1 is dropped due to the disruption of the load balancing feature configured for the glbp group.   B .  The traffic coming from both hosts is temporarily interrupted while the switchover to make R2  active occurs. C .  The traffic coming from Host2 is forwarded through router R2 with no disruption. Host1 sendsan ARP request to resolve the MAC address for the new virtual gateway. D .  The traffic coming from Host1 and Host2 is forwarded through router R2 with no disruption.

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 . A gatekeeper is contacted to determine the correct local gateway to use. B . A gateway will receive the call and forward a call request to the local gatekeeper. C . A gateway will receive the call and forward a call request to the gatekeeper on the other side of the WAN D . A gatekeeper will receive the call and forward a call request to the remote gateway.

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 .  The switch will uniquely authorize the client by using the client MAC address. B .  The switch will cause the port to remain in the unauthorized state， ignoring all attempts by the  client to authenticate. C .  The switch port will disable 802.1x port-based authentication and cause the port to transition to  the authorized state without any further authentication exchange. D .  The switch port will enable 802.1x port-based authentication and begin relaying authentication  messages between the client and the authentication server.

A . The voice traffic cannot be forwarded to the distribution layer. B . The voice traffic cannot use 802.1p priority tagging. C . Port security cannot be enabled on the switch that is attached to the IP phone. D . Quality of service cannot be applied for the voice traffic.

A . Effectively， the trust boundary has been moved to the PC attached to the IP phone B . The computer is now establishing theCoS value and has effectively become the trust boundary C . The IP phone is enabled to override with aCoS value of 3 the existing CoS marking of the PCattached to the IP phone D . The switch will no longer tag incoming voice packets and will extend the trust boundary to thedistribution layer switch E . RTP will be used to negotiate aCoS value based upon bandwidth utilization on the link

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 .  The IP phone is enabled to override with aCoS value of 3 the existing CoS marking of the PC  attached to the IP phone. B .  The switch will no longer tag incoming voice packets and will extend the trust boundary to the  distribution layer switch. C .  RTP will be used to negotiate aCoS value based upon bandwidth utilization on the link.   D .  Effectively， the trust boundary has been moved to the PC attached to the IP phone. E .  The computer is now establishing theCoS value and has effectively become the trust boundary.

A .  The first address learned on the port will be removed from the secure address list and be  replaced with the new address. B .  All secure addresses will age out and be removed from the secure address list. This will cause  the security violation counter to increment. C .  The packets with the new source addresses will be dropped until a sufficient number of secure  MAC addresses are removed from the secure address list. D .  The interface will be placed into the error-disabled state immediately， and an SNMP trap  notification will be sent.

A . 10.1.1.2 B . 192.168.1.49 C . 10.1.1.1 D . 192.168.1.50

A .  WPA/WPA2/CCKM B .  WPA/WPA2 Passphrase C .  802.1x D .  Pre-Shared Key （Static WEP）

A . trunk mode mismatches B . vlans that do not correspond to a unique IP subnet C . native vlan mismatches D . allowing only vlan 2 on the destination.

A . All secure addresses will age out and be removed from the secure address list. This will cause the security violation counter to increment. B . The first address learned on the port will be removed from the secure address list and be replaced with the new address. C . The interface will be placed into the error-disabled state immediately， and an SNMP trap notification will be sent. D . The packets with the new source addresses will be dropped until a sufficient number of secure MAC addresses are removed from the secure address list.

<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/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

<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

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．