Which of the following is the address range assigned by IANA for SSM service in IPv4?
A. 232.0.0.0/24
B. 225.0.0.0/8
C. 232.0.0.0/8
D. 239.0.0.0/8
For label switched packets that contain the same source and destination address and are transmitted via the same interface, the label switch path 0
A. Must be different.
B. Must be the same.
C. May be the same.
One route-policy may have several nodes and each node has a node ID. Each node may have "multiple" if-match and apply clauses. Which of the following statements are true? (Choose two.)
A. Different nodes are in an OR relationship.
B. Different nodes are in an AND relationship.
C. If-match clauses under a node are in an AND relationship.
D. If-match clauses under a node are in an OR relationship.
How many multicast IP addresses can be represented by an IP multicast MAC address?
A. 1
B. 23
C. 32
D. 24
A VLAN can be regarded as a ( )
A. collision domain
B. broadcast domain
C. management domain
D. congestion domain
Which of the following statements about DR are true? (Choose three.)
A. In DR election, among the routers of the same DR priority, the router with the lowest IP address is elected.
B. A source's DR is responsible for sending Register messages to an RP.
C. A receiver's DR is responsible for sending Join messages to a multicast source or an RP.
D. An Assert winner on a shared network segment may not be a DR.
On a STP network, which of the following BPDUs are sent during flooding of information throughout the network due to STP topology change?
A. BPDUs with the TCN flag
B. BPDUs with the TCA flag
C. BPDUs with the TC flag
D. All of the above
Which of the following multicast protocols can generate multicast distribution trees?
A. MBGP
B. MSDP
C. IGMP
D. PIM
When an edge port is in the protected state on an RSTP network, which of the following operations is performed by the edge port immediately after receiving BPDUs?
A. The edge port forwards BPDUs.
B. The edge port discards BPDUs.
C. The edge port is shut down.
D. The edge port obtains required information from BPDUs.
Which type of BGP route can be added to the BGP routing table?
A. All BGP routes learned from peers
B. Only the routes learned from IBGP peers
C. Only the routes learned from EBGP peers
D. Only optimal routes
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