Refer to the router topology shown in the graphic. Assuming that all routers are running OSPF, which statements correctly describe how the routers exchange routing information?（）

A . No configuration file was found in NVRAM. B . No configuration file was found in flash. C . No configuration file was found in the PCMCIA card. D . Configuration file is normal and will load in 15 seconds.

A . Router A is the master virtual router， and Router B is the backup virtual router. When Router A fails， Router B will become the master virtual router. When Router A recovers， Router B will maintain the role of master virtual route B . Router A is the master virtual router， and Router B is the backup virtual router. When Router A fails， Router B will become the master virtual router. When Router A recovers， it will regain the master virtual router role C . Router B is the master virtual router， and Router A is the backup virtual router. When Router B fails， Router A will become the master virtual router. When Router B recovers， Router A will maintain the role of master virtual router. D . Router B is the master virtual router， and Router A is the backup virtual router. When Router B fails， Router A will become the master virtual router. When Router B recovers， it will regain the master virtual router role

A . ip nat pool mynats 1.1.128.1 1.1.135.254 prefix-length 19 B . ip nat outside mynats 1.1.128.1 1.1.135.254 prefix-length 19 C . ip nat pool mynats 1.1.128.1 1.1.135.254 prefix-length 18 D . ip nat outside mynats 1.1.128.1 1.1.135.254 prefix-length 18

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 . 192.168.1.1 B . 172.16.1.1 C . 1.1.1.1 D . 2.2.2.2

A .  Router A is the master virtual router， and Router B is the backup virtual router. When Router A  fails， Router B will become the master virtual router. When Router A recovers， Router B will  maintain the role of master virtual router. B .  Router B is the master virtual router， and Router A is the backup virtual router. When Router B  fails， Router A will become the master virtual router. When Router B recovers， it will regain the  master virtual router role. C .  Router A is the master virtual router， and Router B is the backup virtual router. When Router A  fails， Router B will become the master virtual router. When Router A recovers， it will regain the  master virtual router role. D .  Router B is the master virtual router， and Router A is the backup virtual router. When Router B  fails， Router A will become the master virtual router. When Router B recovers， Router A will  maintain the role of master virtual router.

A . both supervisors are active B . SSO redundancy is being used C . the second supervisor is unavailable D . the primary supervisor is unavailable E . the primary supervisor was reloaded nine seconds ago

A .  Router A is the master virtual router， and Router B is the backup virtual router. When Router A fails，  Router B will become the master virtual router. When Router A recovers， Router B will maintain the role of  master virtual router. B .  Router A is the master virtual router， and Router B is the backup virtual router. When Router A fails，  Router B will become the master virtual router. When Router A recovers， it will regain the master virtual  router role. C .  Router B is the master virtual router， and Router A is the backup virtual router. When Router B fails，  Router A will become the master virtual router. When Router B recovers， Router A will maintain the role of  master virtual router. D .  Router B is the master virtual router， and Router A is the backup virtual router. When Router B fails，  Router A will become the master virtual router. When Router B recovers， it will regain the master virtual  router role.

A . Core-Router is connected more than one multi-access network B . The router at 208.149.23.130 is a secondary DR in case the primary fails. C . Two router IDs have the same OSPF priority and are therefore tied for DR election D . The DR ecection is still underway and there are two contenders for the role

A . Labeled packets can be sent over an interface. B . MPLS Layer 2 negotiations have occurred. C . IP label switching has been disabled on this interface. D . None of the MPLS protocols have been configured on the interface.

A . In making its decision about the best path, RT - 1 gives precedence to the BGP MED values. B . RT - 1 prefers internal BGP routes. C . In making its decision about the best path, RT - 1 gives precedence to the origin code. D . In makin g its decision about the best path, RT - 1 prefers the IGP metrics. E . IP address 128.107.254.2 is lower than 128.107.255.2. F . IP address 128.107.2.2 is lower than 128.107.255.2.

A . A level 5 password is not set B . The vty password is missing C . The console password is missing D . An ACL is blocking Telnet acce

A . The interface must be configured as point-to-multipoint B . The sustained cell rate and the burst rate are equal C . The router's configuration will also include a Dialer interface D . The configuration must also include a sub-interface with a VPI/VCI of 8/35

A . The router will distribute IP addresses from pool 1 until its addresses are exhausted. Then therouter will begin distributing addresses from pool 2 B . The configuration is invalid because the DHCP options are global configuration commands C . The configuration is incomplete until the DHCP pools are bound to the appropriate interface orinterfaces D . The router will choose which pool to use based upon the interface the DHCP request wasreceived o

A . Router1 has specific boot system command that instruct it to load IOS from TFTP server. B . Router1 is acting as a TFTP server for other routers. C . Router1 cannot locate a valid IOS image in flash memory. D . Router1 defaulted to ROMMON mode and loaded the IOS image from a TFTP server. E . Cisco routers will first attempt to load a image from TFTP for management purposes.

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.

A .  Router R2 will become the master for Virtual Router 1， and router R1 will become the backup  for Virtual Router 2. B .  Router R1 will become the master for Virtual Router 1， and router R2 will become the backup  for Virtual Router 2. C .  Router R1 will become the active virtual gateway. D .  Router R2 will become the active virtual gateway. E .  The hello and hold timers are incompatible with OSPF type 5 LSAs. F .  The hello and hold timers are incompatible with multi-homed BGP.

A . IPSec tunnel termination B . DHCP C . hardware-accelerated IPSec encryption D . Traffic Shaping E . Split-tunneling

A . 10.1.1.2 B . 10.1.2.2 C . 10.1.3.3 D . 10.1.4.4

<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.

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/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．