單項選擇題

You are the administrator of the Testking network and you have forgotten the password to one of your routers. After completing the password recovery procedure the router returned to its normal operation. The config-register was set back to the initial default value.
What is this value?（）

A. 0x2112
B. 0x2104
C. 0x2102
D. 0x2142
E. 0x2100


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1.多項選擇題

A new switch is installed in the Testking network. This switch is to be configured sothat VLAN information will be automatically distributed to all the other Cisco Catalyst switches in the network.
Which of the conditions below have to be met in order for this to occur?（）

A. The switch that will share the VLAN information must be in the VTP Server mode.
B. The switches must be in the same VTP domain.
C. The switch that will share the VLAN information must be configured as the root bridge.
D. The switches must be configured to use the same VTP version.
E. The switches must be configured to use the same STP version.
F. The switches must be configured to use the same type of ID tagging.
G. The switches must be connected over VLAN trunks.

2.單項選擇題Which switching mode provides the highest level of integrity and error-free transport, rather then maximizing speed?（）

A. 802.1q forwarding
B. VTP transparent mode
C. Cut-through
D. Store-and-forward
E. Fragment-free
F. Frame-filtering

4.單項選擇題A workgroup switch is configured with all ports assigned to VLAN 2. In addition,all ports are configured as full-duplex FastEthernet. What is the effect of adding switch ports to a new VLAN on this switch?（）

A. The additions will create more collision domains.
B. IP address utilization will be more efficient.
C. More bandwidth will be required than was needed previously.
D. An additional broadcast domain will be created.
E. The possibility that switching loops will occur will increase dramatically.

5.單項選擇題Why would a network administrator configure port security on a switch?（）

A. To prevent unauthorized Telnet access to a switch port.
B. To limit the number of Layer 2 broadcasts on a particular switch port.
C. To prevent unauthorized hosts from accessing the LAN.
D. To protect the IP and MAC address of the switch and associated ports.
E. To block unauthorized access to the switch management interfaces over common TCP ports.

6.單項選擇題When a new trunk link is configured on an IOS based switch, which VLANs are allowed over the link?（）

A. All defined VLANs are allowed on the trunk by default.
B. Each VLAN, or VLAN range, that is specified with the switchport mode command.
C. Each VLAN, or VLAN range, that is specified with the vtp domain command.
D. Each VLAN, or VLAN range, that is specified with the vlan database command.

7.單項選擇題What kind of cable should be used to establish a trunked line between two Catalyst 2950 switches?（）

A. a straight-through cable
B. an EIA/TIA-232 serial cable
C. an auxiliary cable
D. a modem cable
E. a cross-over cable

8.多項選擇題What components are required to directly connect two PCs so they are able to participate in a simple peer-to-per network?（）

A. Straight-through cable
B. Compatible network interfaces
C. Networking protocol
D. Hub
E. Crossover cable
F. router

9.單項選擇題Which type of cable should be used to make a connection between the Fa0/0 port on a router and the Fa0/0 port switch?（）

A. Rollover cable
B. Console cab le
C. Crossover cable
D. Straight-through cable
E. Serial cable

10.多項選擇題You are experiencing intermittent issues relating to congestion with your network.What are the possible causes of congestion on a LAN?（）

A. A broadcast domain with too many hosts.
B. Full duplex operation.
C. Broadcast storms.
D. Multicasting.
E. Network Segmentation.
F. Low bandwidth.