GB0-391 무료 덤프문제 온라인 액세스

Which of the following commands can check whether there is an LSP of a certain forwarding pricing class ______ .

• A.displa mpls ldp peer
• B.displa mpl s ldp
• C.displa mpls ldp lsp
• D.displa mpls ldp session

The three routers are shown in the figure .A GRE tunnel is created between Routerl and RouLer3 .The configuration commands for the three routers are :
Routerl:
[Router1]interface Serial 0/2/0
[Router1-Serial0/2/0]ip address 10.1.1.1 24
ERouter1]interface loopback 0
[Router1-LoopBack0]ip addre ss 1.1.1.1 32
[Router1]interface Tunnel 0
[Router1-Tunnel0]source 10.1.1.1
[Router1-Tunnel0]destination 20.1.1.2
[Routerl-Tunnel0]ip address 100.1.1.1 24
[Router1]ospf
IRouter1-ospf-1]area 0
IRouter1-ospf-1-area-0.0.0.0]network 10.1.1.1 0.0.0.255
[Router1]ip route-static 3.3.3.3 32 100.1.1.2
Router2:
[Router2]interface Serial 0/2/0
[Router2-Serial0/2/0]ip address 10.1.1.2 24
[Router2]interface Serial 0/2/1
[Router2-Serial0/2/0]ip address 20.1.1.1 24
[Router2]ospf
IRouter1-ospf-1]area 0
IRouter1-ospf-1-area-0.0.0.0]network 10.1.1.2 0.0.0.255
IRouter1-ospf-1-area-0.0.0.0]network 20.1.1.1 0.0.0.255
Router3:
[Router3]interface Serial 0/2/0
[Router3-Serial0/2/0]ip address 20.1.1.2 24
[Router3]interface loopback 0
[Router3-LoopBack0]ip address 3.3.3.3 32
[Router3]interface Tunnel 0
[Router3-Tunnel0]source 20.1.1.2
[Router3-Tunnel0]destination 1 0.1.1.1
[Router3-Tunnel0]ip address 100.1.1.2
[Router3]ospf
[Router3-ospf-l]area 0
[Router3-ospf-l-area-0.0.0.0] network 20.1.1.2 0.0.0.255
[Router3]ip route-static l.1.1.1 32 100.1.1.1
Use the command ping-a 1.1.1.1 3.3.3.3 on Router 1 to check the connectivity, and 100% receive ICMP reply packets.
In the above process, the following description of the various routers to process packets of data, is correct ____ .( Choose one or more )

• A.Router3 performs GRE encapsulation of ICMP Echo Reply packets
• B.Router2 performs GRE decapsulation of ICMP Echo Request packets
• C.Router 1 performs GRE encapsulation of ICMP Echo Request packets
• D.Router2 performs lP packet forwarding

To clear the established IPSec security association, which of the following commands should be used ?

• A.reset ipsec
• B.reset ipsec sa
• C.reset ipsec polic
• D.reset ike sa

In BGP MPLS VPN of networking, PE equipment distributed to end PE device private network which will not carry the following ______ .

• A.RT
• B.RD
• C.Public network MPLS label
• D.Private network MPLS label

In the SIP network, which of the following devices belong to UA?

• A.SIP server
• B.IP phone
• C.connected to a common voice on the gateway PSTN phone
• D.language voice gateway