牛课网思科认证CCIE考试模拟试题19

思科认证CCIE考试模拟试题19

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2012年思科认证考试备考的朋友，不用为了查找复习资料而烦恼，小编特为广大考生朋友们搜集了有关思科认证CCIE考试模拟试题，帮助大家复习，祝大家考试顺利。
1.Which of the following network masks would you use to reduce any wastage of
IP addresses in point-to- point WAN links on a network that supports VLSM?
A. /38 B. /30
C. /27 D. /23
2.How would you configure a router to avoid situations such as split horizon
issues hampering routing updates on a Frame Relay network?
A. Configure a separate sub-interface for each PVC with a unique DLCI and subnet
assigned to the subinterface.
B. Configure each Frame Relay circuit as a point-to-point line to support multicast
and broadcast traffic.
C. Configure one sub-interface to disperse into multiple PVC connections to
multiple remote router interfaces.
D. Configure as many as possible sub-interfaces on the same subnet.
3.Which of the following is a characteristic of link-state protocols?
A. A network topology change generates an update that is broadcast to every
router on the network.
B. The periodic routing update interval is slightly different in each router on
a subnet.
C. Each router creates a routing table that only includes its directly connected
neighbors.
D. Link-state protocols send routing updates only when there is a change in the
network topology.
4.Which of the following types of packets will be allowed entry when a serial
interface's inbound access list has been configured to prohibit entry for TCP and
UDP ports 21, 23 and 25? (Select three options.)
A. SMTPB. STP
C. FTPD. Telnet
E. HTTPF. POP3
5.One of the trainees assigned to you want to know which services use TCP. W
hat can you tell him? (Select three options.)
A. DHCP B. SMTP C. SNMP
D. FTP E. HTTPF. TFTP

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