Refertotheexhibit.WhendeployinganMSFCandanFWSM,whichstatementiscorrect?()
A. ProperplacementdependsontheVLANassignment.
B. Placeitoutsidethefirewall.
C. Placeitinsidethefirewalltomakedesignandmanagementeasier.
D. Placeitinsidethefirewallwithmultiplecontextmodesconnectingtoallconfiguredcontexts.
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Which two of these are characteristics of multicast routing? ()
A. multicast routing uses RPF
B. multicast routing is connectionless.
C. In multicast routing, the source of a packet is known.
D. When network topologies change, multicast distribution trees are not rebuilt, but use the originalpath
E. Multicast routing is much like unicast routing, with the only difference being that it has a a groupof receivers rather than just one destination
SCSIinterfacesprovideforfasterdatatransmissionrates(upto80megabytespersecond)thanstandardserialandparallelports.Inaddition,youcanattachmanydevicestoasingleSCSIport,sothatSCSIisreallyanI/ObusratherthansimplyaninterfaceWhichtwostatementsaboutSCSIaretrue?()
A. Thebusislimitedto64devices.
B. Itisafull-duplexserialstandard.
C. Itisahalf-duplexserialstandard.
D. Itallowsupto320MB/sofsharedchannelbandwidth.
何种类型的电缆可用于连接2620型路由器与2950型交换机(点 A),2950 型交换机与 1900 型交换机(点 B),2950型交换机与主机(点C)?()
A - 直通;B - 全反;C - 直通
B. A - 交叉;B - 直通;C - 直通
C. A - 直通;B - 直通;C - 交叉
D. A - 交叉;B - 直通;C - 交叉
E. A - 直通;B - 交叉;C - 直通
F. A - 直通;B - 交叉;C - 交叉
请参见图示。路由器 Jax 和路由器 Atlanta 之间可通过 IP 地址互相 ping 通。但当从路由器 Jax 上输入 telnet Atlanta 命令时,Telnet 连接失败。导致此问题的两个可能的原因是什么()
A. 路由器 Atlanta 主机表中不含路由器 Jax 的条目。
B. 路由器 Jax 主机表中不含路由器 Atlanta 的条目。
C. Atlanta 路由器上的 hostname 命令配置不正确。
D. Jax 路由器上的 hostname 命令配置不正确。
E. 无法访问 DNS 服务器。