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22 Cards in this Set

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  • Back
What four components are required for a computer to establish a remote Transmission Control Protocol/Internet Protocol (TCP/IP) connection?
Common protocols
A physical layer connection
TCP/IP configuration
Host and remote software
Which of the following remote access technologies converts digital signals generated by a computer to analog signals that can be carried over standard telephone wires?
MODEM TO MODEM
Which of the following remote access protocols defines analog signaling and is limited to 33.6 Kbps upstream and 56 Kbps downstream?
V.90
What are the three main types of physical-layer wide area network (WAN) connection types? Choose all answers that are correct.
Packet
Circuit
Dedicated
Which of the following wide area network (WAN) technologies support circuit-switched physical layer connections? Choose all answers that are correct
Public Switched Telephone Network (PSTN)
Integrated Services Digital Network (ISDN)
Which of the following wide area network (WAN) technologies uses only digital signaling and uses a separate signaling channel for its control and synchronization? Choose all answers that are correct.
Integrated Services Digital Network (ISDN)
Which wide area network (WAN) technology is referred to as 23B + 1D?
Primary Rate Interface (PRI)
Which of the following statements best describes an Integrated Services Digital Network (ISDN) TE2 device?
A TE2 device does not have an ISDN interface and requires a terminal adapter
Which of the following statements best describes an Integrated Services Digital Network (ISDN) TE1 device?
A TE1 device has a built-in ISDN interface.
What part of an Integrated Services Digital Network (ISDN) network is identified by the User (or U) interface?
The connection between an NT-1 device and the local loop
What reference point identifies the connection between a TE1 or TE2 device and an NT-2 device?
S
Which of the following remote access technologies can simultaneously support both voice and data across the same pair of wires? Choose all answers that are correct
Integrated Services Digital Network (ISDN)
Digital Subscriber Line (DSL)
Integrated Services Digital Network (ISDN) offers two types of services. What are they?
BRI
PRI
Why does xDSL (x Digital Subscriber Line) technology support faster data transmission than standard V.34 modem technology?
It uses a higher frequency range.
Which xDSL (x Digital Subscriber Line) technology can adjust its transmission rates based on line conditions?
Rate-Adaptive Digital Subscriber Line (RADSL)
If you want to allow both voice and data traffic to be transmitted across the same Digital Subscriber Line (DSL) connection, what type of device is required at the customer site?
A splitter
What are the two main factors that affect xDSL (Digital Subscriber Line) transmission rates?
Distance to the central office
Line conditions
Which of the following wide area network (WAN) technologies uses broadband signaling?
Cable television (CATV)
Which of the following wide area network (WAN) technologies transmits data in fixed sized cells?
Asynchronous Transfer Mode (ATM)
Which of the following statements are true about the Point-to-Point Protocol (PPP)? Choose all answers that are correct.
- PPP supports both clear text and encrypted authentication.
- PPP supports multiple network layer protocols.
What three network layer protocols can be carried over a Point-to-Point Protocol (PPP) connection?
Internetwork Packet Exchange (IPX)
AppleTalk
Internet Protocol (IP)
Which two protocols can be used to create a virtual private network (VPN) tunnel through the Internet? Choose two correct answers.
PPTP
L2TP