單項選擇題On point-to-point networks, OSPF hello packets are addressed to which address?()

A.127.0.0.1
B.172.16.0.1
C.192.168.0.5
D.223.0.0.1
E.224.0.0.5
F.254.255.255.255


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1.多項選擇題Which of the following IP addresses can be assigned to host devices?()

A.205.7.8.32/27
B.191.168.10.2/23
C.127.0.0.1
D.224.0.0.10
E.203.123.45.47/28
F.10.10.0.0/13

3.單項選擇題Which statement describes a spanning-tree network that has converged?()

A. All switch and bridge ports are in the forwarding state.
B. All switch and bridge ports are assigned as either root or designated ports.
C. All switch and bridge ports are in either the forwarding or blocking state.
D. All switch and bridge ports are either blocking or looping.

4.多項選擇題What are three valid reasons to assign ports on VLANs on a switch?()

A. to make VTP easier to implement
B. to isolate broadcast traffic
C. to increase the size of the collision domain
D. to allow more devices to connect to the network
E. to logically group hosts according to function
F. to increase network security

5.單項選擇題A college has a small campus where 25 faculty members are located. The faculty offices and student computers are currently on the same network. The faculty are concerned about students being able to capture packets going across the network and obtain sensitive material. What could a network administrator do to protect faculty network traffic from student connections?()

A. Install anti-virus software on the student computers.
B. Put the faculty computers in a separate VLAN.
C. Power down the switches that connect to faculty computers when they are not in use.
D. Remove the student computers from the network and put them on a peer-to-peer network.
E. Create an access list that blocks the students from the Internet where the hacking tolls are located.

6.多項選擇題Which statement describe two of the benefits of VLAN Trunking Protocol?()

A. VTP allows routing between VLANs.
B. VTP allows a single switch port to carry information to more than one VLAN.
C. VTP allows physically redundant links while preventing switching loops.
D. VTP simplifies switch administration by allowing switches to automatically share VLAN configuration information.
E. VTP helps to limit configuration errors by keeping VLAN naming consistent across the VTP domain.
F. VTP enhances security by preventing unauthorized hosts from connecting to the VTP domain.

7.多項選擇題The network security policy requires that only one host be permitted to attach dynamically to each switch interface. If that policy is violated, the interface should shut down. Which two commands must the network administrator configure on the 2950 Catalyst switch to meet this policy?()

A. TestKing1(config-if)# switchport port-security maximum 1
B. TestKing1(config)# mac-address-table secure
C. TestKing1(config)# access-list 10 permit ip host
D. TestKing1(config-if)# switchport port-security violation shutdown
E. TestKing1(config-if)# ip access-group 10

8.單項選擇題Which PPP subprotocol negotiates authentication options?()

A.NCP
B.ISDN
C.SLIP
D.LCP
E.DLCI

10.單項選擇題What is the purpose of Spanning Tree Protocol?()

A. to prevent routing loops
B. to create a default route
C. to provide multiple gateways for hosts
D. to maintain a loop-free Layer 2 network topology
E. to enhance the functions of SNMP

最新試題

Five minutes after issuing the show running-config command, a technician enters the command again and notices that several access list statements have been altered. Because of this, the technician believes that the router is being configured by an unknown person through Telnet. Before changing the router passwords, the technician would like to discover if anyone is connected to the router by Telnet and stop them from making further changes.Which commands will accomplish these options?()

題型:多項選擇題

Given a subnet mask of 255.255.255.224, which of the following addresses can be assigned to network hosts?()

題型:多項選擇題

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

題型:多項選擇題

A network host is configured as follows: Host IP address: 192.168.16.183 Subnet mask: 255.255.255.224 Default gateway: 192.168.16.190 Which of the following statements describe the network to which this host is attached?()

題型:多項選擇題

Which Frame Relay feature is responsible for transmitting keepalives to ensure that the PVC does not shut down because of inactivity?()

題型:單項選擇題

All WAN links is side the TestKing.com network use PPP with for authentication security. Which command will display the CHAP authentication process as it occurs between two routers in the network?()

題型:單項選擇題

Which of the following if addresses can be assigned to host devices?()

題型:多項選擇題

Which characteristics are representative of a link-state routing protocol?()

題型:多項選擇題

Which of the following contribute to congestion on an Ethernet network?()

題型:多項選擇題

Which command is required for connectivity in a Frame Relay network if Inverse ARP is not operational? ()

題型:單項選擇題