單項選擇題Which command shows your active Telnet connections?()

A.show session
B.show cdp neighbors
C.show users
D.show queue


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1.單項選擇題What is the purpose of the command shown below vtp password Fl0r1da()。

A.It is used to validate the sources of VTP advertisements sent between switches.
B.It is used to access the VTP server to make changes to the VTP configuration.
C.It allows two VTP servers to exist in the same domain, each configured with different passwords.
D.It is the password required when promoting a switch from VTP client mode to VTP server mode.
E.It is used to prevent a switch newly added to the network from sending incorrect VLAN information to the other switches in the domain.

2.單項選擇題What is an appropriate use of a default route?()

A.to provide routing to a local web server
B.to provide routing from an ISP to a stub network
C.to provide routing that will override the configured dynamic routing protocol
D.to provide routing to a destination that is not specified in the routing table and which is outside the local network

3.多項選擇題What are two reasons a network administrator would use CDP (Choose two.)()。

A.to verify the type of cable interconnecting two devices
B.to determine the status of network services on a remote device
C.to obtain VLAN information from directly connected switches
D.to verify Layer 2 connectivity between two devices when Layer 3 fails
E.to obtain the IP address of a connected device in order to telnet to the device
F.to determine the status of the routing protocols between directly connected routers

4.多項選擇題Which two statements are true regarding EIGRP?()

A.Passive routes are in the process of being calculated by DUAL.
B.EIGRP supports VLSM, route summarization, and routing update authentication.
C.EIGRP exchanges full routing table information with neighboring routers with every update.
D.If the feasible successor has a higher advertised distance than the successor route, it becomes the primary route.
E.A query process is used to discover a replacement for a failed route if a feasible successor is not identified from the current routing information.

5.單項選擇題Why will a switch never learn a broadcast address()。

A.Broadcasts only use network layer addressing.
B.A broadcast frame is never forwarded by a switch.
C.A broadcast address will never be the source address of a frame.
D.Broadcast addresses use an incorrect format for the switching table.
E.Broadcast frames are never sent to switches.

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