A.to confine network instability to single areas of the network.
B.to reduce the complexity of router configuration.
C.to speed up convergence.
D.to lower costs by replacing routers with distribution layer switches.
E.to decrease latency by increasing bandwidth.
F.to reduce routing overhead.

A.16
B.2
C.unlimited
D.4

A.Router John uses alink-state routing protocol.
B.Router John will receive routing updates on the Serial0/0 interface.
C.Router John will receive routing updates on the Serial0/1 interface.
D.Router John will send routing updates out the Serial0/0 interface.
E.Router John will send routing updates out the FastEthernet0/0 interface.
F.Router John will send routing updates out the Serial0/1 interface.

A.Cisco IDS事件閱覽器（IEV）
B.Cisco安全代理
C.Cisco安全管理器
D.Cisco安全監(jiān)測、分析和響應(yīng)系統(tǒng)

A.Cisco路由器和安全設(shè)備管理器
B.Cisco安全代理
C.CiscoIPS設(shè)備管理器
D.Cisco安全管理器

A.192.168.1.56/27
B.192.168.1.64/26
C.192.168.1.64/27
D.192.168.1.56/26

A.a primary route,stored in the routing table
B.a backup route,stored in the routing table
C.a backup route,stored in the topology table
D.a primary route,stored in the topology table

A.Addresses are allocated after a negotiation between the server and the host to determine the length of the agreement.
B.Addresses are assigned for a fixed period of time.At the end of period,a newquest for an address must be made ,and another address is then assigned.
C.Addresses are leased to host.A host will usually keep the same address by periodically contacting the DHCP sever to renew the lease.
D.Addresses are permanently assigned so that the host uses the same address at all times.

A.重置UDP
B.產(chǎn)生一個(gè)警報(bào)
C.丟去或阻止這個(gè)行為
D.允許該行為

A.基于樣本的檢測
B.基于異樣的檢測
C.基于策略的檢測
D.基于沙盤的檢測