In ospf broadcast networks, there are 4 routers RTA, RTB, RTC, and RTDs within the same network segment. The DR priorities are 2, 1, 1, and O, and the Router ID is respective 1921681.1, 19216821, 19216831, and 19216841 If the OSPF protocol is enabled on both of these four routers, ospf selects the BDR as

• A.RTC
• B.RTD
• C.RTB
• D.RTA

Comment: *

Name: *

Email: *

Verification: *

If we have a VPN instance configured on a router, if we need to view the VPN route on a Huawei router, which of the following commands should we use?

• A.display ip routing-table vpn-instance vpn-instance-name
• B.display ip vpn-instance
• C.display vpn routing-table
• D.display ip routing-table

Comment: *

Name: *

Email: *

Verification: *

Is the following information about BGP4+ described correctly?

• A.The Next Hop attribute in BGP4+ is represented by an IPv6 address, which can be the link-local address of the next hop.
• B.BGP4 can use dampening commands to suppress oscillations on IBGP routes.
• C.Modifying the RouterID of BGP causes the BGP connection between routers to be re-established.
• D.BGP4+ does not support route auto-aggregate

Comment: *

Name: *

Email: *

Verification: *

The data results of a router are as follows, and the analysis conclusion is correct (single choice).

• A.R3 routers Circuit-level is Level-1-2
• B.R3 is on the link where Eth0/0/0 is Eth0/ 1 of the LEVEL-1 and Level-2 DISC
• C.The R3 router's Eth0/0/1 enables both IPv4 and IPv6 ISIS
• D.The GEO/0/0 port of the R3 is in a different region than the neighbor

Comment: *

Name: *

Email: *

Verification: *

The basic header length of an IPv6 message is a fixed value.

• A.FALSE
• B.TRUE

Comment: *

Name: *

Email: *

Verification: *