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.


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1.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.

2.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

3.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

4.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

5.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.

最新試題

Identify three valid host addresses in the 192.168.27.0 network with a subnet mask of 255.255.255.240. ()

題型:多項選擇題

You are configuring a new Catalyst switch that you want to manage remotely from workstations on other network segments within your enterprise.Which of the following are required to allow remote management of the switch over IP?()

題型:多項選擇題

TestKing.com has allocated the IP add 199.144.27.0 is its network, to provide flexibility for the LAN design, a subnet mask of 255.255.255.240 has been chosen. Which of the following address can be assigned to LAN on the resulting subnets.()

題型:多項選擇題

A Router with a BRI/T interface will be used for an ISDN Connection what other ISDN device is required to complete this connection? ()

題型:單項選擇題

What does a configuration Register Setting of 0x2105 indicate to the Router? ()

題型:單項選擇題

What is the purpose of pressing the Ctrl+Break keys during the router password recover procedure?()

題型:單項選擇題

The following access list was applied outbound on he E0 interface connected to the 192.168.1.8/29 LAN:access-list 123 deny tcp 192.168.1.8 0.0.0.7 eq 20 anyaccess-list 123 deny tcp 192.168.1.9 0.0.0.7 eq 21 anyWhat effect will this access list have?()

題型:單項選擇題

What is the subnetwork address for a host with IP address 201.100.5.68/28?()

題型:單項選擇題

New switches have been purchased for a network upgrade. The objective for the network design emphasizes efficient, error-free transport instead of fast transport.Which switching mode should be configured on the new switches to provide error-free transport to the network? ()

題型:單項選擇題

Which of the following correctly describe steps in the OSI data encapsulation process?()

題型:多項選擇題