Once a BGP connection is established, if load balancing is not configured, a BGP Speaker just advertises the optimal route in its BGP routing table to its neighbors.
A. TRUE
B. FALSE
Which of the following configuration can enable indirectly connected EBGP peers to establish a connection normally?
A. peer connect-interface
B. peer ebgp-max-hop
C. peer ignore
D. peer as-number
Which of the following BGP attributes are well-known community attributes? (Choose all that apply.)
A. No_Export (0xFFFFFF01)
B. No_Advertise (0xFFFFFF02)
C. Advertise
D. Internet
BGP is an enhanced distance-vector routing protocol. Which is the major reason for this?
A. BGP does not accept the routes whose AS_Path attribute contains the local AS number.
B. Nexthop is a well-known mandatory attribute of BGP routes.
C. The AS_Path attribute records all the ASs that a BGP route passes through on the transmission path. In route selection rules, a route with a shorter AS_Path is preferred.
D. The AS_Path attribute records all the ASs that a BGP route passes through on the transmission path. In route selection rules, a route with a shorter AS_Path is preferred, and the AS_Path attribute is also checked in IBGP.
Which of the following commands can enable IS-IS on an interface?
A. ip router isis 100
B. router isis 100
C. isis enable 100
D. route isis enable 100
Which of the following procedures are included in IS-IS route calculation? (Choose all that apply.)
A. Neighbor relationship establishment
B. Route calculation
C. Link information exchange
D. Route advertisement
Which of the following statements regarding BGP is false?
A. BGP is an exterior routing protocol and is used to transmit routing information between ASs.
B. BGP is a link-state routing protocol.
C. BGP supports CIDR.
D. BGP provides abundant route filtering and routing policies.
Compared with OSPF, which of the following statements regarding IS-IS are true? (Choose all that apply.)
A. IS-IS supports more network types.
B. IS-IS supports more area types.
C. IS-IS has better scalability.
D. IS-IS supports fewer protocol packet types.
OSPF supports multiple network types. Which of the following network types require DR and BDR to be elected? (Choose all that apply.)
A. P2P
B. NBMA
C. P2MP
D. Broadcast
Which of the following statements regarding OSPF packets is false?
A. Hello packets are used to discover and maintain OSPF neighbor relationships and also can be used to elect DR and BDR on broadcast and NBMA networks.
B. DD packets carry LSA header information to describe link state summary information.
C. Two routers must send Hello packets at the same interval. Otherwise, they cannot establish an OSPF neighbor relationship.
D. DD packets contain all LSA information and can be used to periodically synchronize LSDB information between neighbors.
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