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