A. A CSU/DSU converts analog signals from a router to a leased line; a modem converts analog signals from a router to a leased line.
B. A CSU/DSU converts analog signals from a router to a phone line; a modem converts digital signals from a router to a leased line.
C. A CSU/DSU converts digital signals from a router to a phone line; a modem converts analog signals from a router to a phone line.
D. A CSU/DSU converts digital signals from a router to a leased line; a modem converts digital signals from a router to a phone line.
您可能感興趣的試卷
你可能感興趣的試題
A. show reload
B. show boot
C. show running-config
D. show version
A. LAN
B. routing
C. WAN
D. network
A. presentation
B. session
C. transport
D. network
E. physical
A. transport
B. network
C. presentation
D. session
E. application
A. minimum cell rate (MCR)
B. quality of service (QoS)
C. modulation
D. packet switching exchange (PSE)
E. reliable transport protocol (RTP)
最新試題
Which device might be installed at a branch office to enable and manage an IPsec site-to-site VPN?（）
Which Cisco IOS diagnostics command can disrupt the operation of a router under high-load conditions?（）
Which pairing reflects a correct protocol-and-metric relationship?（）
Which protocol reduces administrative overhead in a switched network by allowing the configuration of a new VLAN to be distributed to all the switches in a domain?（）
If all OSPF routers in a single area are configured with the same priority value,what value dose a router use for the ODPF router ID in the absence of a loopback interface?（）
On which options are standard access list based?（）
Which address is the IPV6 all-RIP-routers muticast group address that is used by RIPng as the destaion address?（）
Three access ports have been installed and configured to a small office.What term defines the wireless topology?（）
A network administrator needs to configure a serial link between the main office and a remote location.The router at the remote office is a non-cisco router. How should the network administrator configure the serial interface of the main office router to make the connection?（）
After the show ip route command has been entered,the follwing routes are displayed.Which route will not be entered into the routing table of a neighboring router?（）