H12-221 Online Practice Questions and Answers

Which of the following statements regarding the IP address 224.0.0.1 are correct? (Select 2 answers)

A. It is a multicast IP address

B. It is a private IP address

C. It represents all the hosts and routers

D. It represents all the routers

Which of the following statements about a neighbor state machine is true?

A. The Attempt state appears only on an NBMA network or a broadcast network.

B. The Attempt state appears only on an NBMA network or a P2MP network.

C. LSR packets can be sent in the Exchange state.

D. The Full state indicates that LSDB synchronization is complete. No LSDB information will be exchanged.

What is the link-state ID of an ASBR-Summary-LSA?

A. The OSPF Router ID of an LSA's originator

B. The Interface IP address of the DR on the described network segment

C. The address of the described network segment

D. The Router ID of the described ASBR

The NBMA mode doesn't function if all the routers in the network are not fully connected.

A. TRUE

B. FALSE

If there are two BGP routes with the same destination address but different next hops in a BGP routing table, then which statement regarding the two BGP routes is true?

A. Both BGP routes are advertised to other BGP peers.

B. Only the optimal route between the two is advertised to other BGP peers.

Which of the following BGP attributes are optional in a BGP Update packet? (Select 2 answers)

A. Origin

B. Nexthop

C. Local-Preference

D. MED

Over a working TCP connection, what is the state of the BGP peer relationship if the peer AS number configured for a BGP router is inconsistent with the AS number of its BGP peer?

A. Idle

B. Active

C. OpenSent

D. Established

Which command triggers the advertisement of BGP routes without interrupting a BGP connection?

A. Reset bgp

B. Refresh bgp all external

C. Refresh bgp all internal

D. RR-filter

Which of the following parameters are optional when configuring a BGP peer? (Select 2 answers)

A. IP address

B. Description

C. Password

D. AS-number

Which of the following statements regarding an AS-external-LSA are true? (Select 3 answers)

A. The Link State ID field specifies the network segment address of an advertised destination.

B. The Advertising Router field specifies the Router ID of an ASBR.

C. The Net mask field specifies the network mask of an advertised destination.

D. The Link State ID together with Advertising Router fields are used to uniquely identify an AS- external-LSA.