Share some CCNA SP 640-875 exam questions and answers below.
Which two statements about transparent bridging operations are true? (Choose two.)
A. A bridge builds its MAC address table dynamically using the spanning-tree protocol.
B. A bridge operates at the data link layer.
C. A bridge sends unknown unicast frames out on all ports except the incoming port.
D. A bridge forwards traffic based on the destination IP address.
E. All the ports on the bridge belong to the same collision domain.
Answer: B,C
Which two statements about classful or classless routing protocol operations are true? (Choose two.)
A. Classful routing protocols do not send subnet mask information with their routing updates.
B. Variable-length subnet masks are supported when using classful routing protocols.
C. Examples of classless routing protocols include RIPv1, EIGRP, OSPF, and IS-IS.
D. Classful routing protocols do not support discontiguous subnets.
Answer: A,D
Which two applications require the network to have the least amount of jitter, delay, and packet loss? (Choose two.)
A. FTP
B. SSH
C. VoIP
D. email
E. Cisco TelePresence
F. web browsing
Answer: C,E
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