單項(xiàng)選擇題Which layer of the OSI reference model is responsible for ensuring reliable end-to-end delivery of data?()

A.Application
B.Presentation
C.Session
D.Transport
E.Network
F.Data-Link


您可能感興趣的試卷

你可能感興趣的試題

1.單項(xiàng)選擇題You download a file from an FTP site on the Internet. What is the highest layer in the OSI model used in this FTP operation?()

A. Application
B. Presentation
C. Session
D. Transport
E. Internet
F. Data Link
G. Physical

3.單項(xiàng)選擇題You are logged into a router and with to view the layer 3 information about your neighboring Cisco routers. What IOS command gives layer 3 information for of the directly connected router interfaces?()

A. show ip links
B. show cdp neighbor
C. show cdp neighbor detail
D. show ip clients
E. show ip route
F. None of the above

4.單項(xiàng)選擇題In the context of configuring dial-on-demand routing using ISDN, what is the purpose of the dialer-list command?()

A. to identify valid numbers for incoming calls
B. to define the type of ISDN switch at the central office
C. to specify the list of outgoing phone numbers used by the router
D. to associate a dial configuration with a physical interface
E. to define interesting traffic that will enable the link

5.單項(xiàng)選擇題A network administrator needs to configure a router for a Frame Relay connection to a non-Cisco router. Which of the following commands will prepare the WAN interface for this connection?()

A. Router(config-if)# encapsulation frame-relay q933a
B. Router(config-if)# encapsulation frame-relay ansi
C. Router(config-if)# encapsulation frame-relay ietf
D. Router(config-if)# encapsulation frame-relay isl
E. None of the above

6.多項(xiàng)選擇題Which statements are true about EIGRP successor routes?()

A. A successor route is used by EIGRP to forward traffic to a destination.
B. Successor routes are saved in the topology table to be used if the primary route fails.
C. Successor routes are flagged as "active" in the routing table.
D. A successor route may be backed up by a feasible successor route.
E. Successor routes are stored in the neighbor table following the discovery process.
F. Successors are not used in EIGRP.

7.單項(xiàng)選擇題You are troubleshooting a frame relay connection and wish to view the LMI traffic stats. Which command should you issue?()

A. Show interface lmi
B. Show frame-relay lmi
C. Show interface frame-relay
D. Debug frame-relay interface.

10.單項(xiàng)選擇題You have just obtained a modular Cisco router with 2 serial connections and a BRI/U interface. What other physical piece of hardware is required in order to establish an ISDN connection?()

A. Nothing. The router is already suitable.
B. A BRI WAN interface in the router.
C. An external NT1 to terminate the local loop.
D. A TA/NT1 device on the router.

最新試題

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:?jiǎn)雾?xiàng)選擇題

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(xiàng)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(xiàng)選擇題

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

題型:多項(xiàng)選擇題

What is the purpose of typing o/r 0x2142 during a password recover procedure on a 2500 series router?()

題型:?jiǎn)雾?xiàng)選擇題

An administrator would like to configure a switch over a virtual terminal connection from locations outside of the local LAN. Which of the following are required in order for the switch to be configured from a remote location? ()

題型:多項(xiàng)選擇題

The network 172.12.0.0 needs to be divided into subnets where each subnet has the capacity of 458 IP addresses.What would be the correct subnet mask to accomplish this division keeping the number of subnets at the maximum? ()

題型:?jiǎn)雾?xiàng)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(xiàng)選擇題

Which statement describes the rule of split horizon?()

題型:?jiǎn)雾?xiàng)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:?jiǎn)雾?xiàng)選擇題