Chapter Questions
Which of the following IP blocks are reserved for private networks?A. 192.0.x.xB. 244.0.x.xC. 127.0.x.xD. 192.168.x.x
Which of the following describes a transmission technology on which data can be transmitted in both directions on a signal carrier at the same time?A. BidirectionalB. Half duplexC. Full duplexD. Multidirectional
Which of the following is used to automate the IP configuration of network clients?A. $\mathrm{DHCP}$B. WINSC. ARPD. DNS
Which of the following provides name resolution on the Internet, including translating from hostnames to IP addresses?A. $\mathrm{DHCP}$B. DNSC. WINSD. ARP
Which access method is used in Ethernet?A. Token passingB. Full duplexC. CSMA/CA (Carrier Sense Multiple Access/Collision Avoidance)D. CSMA/CD (Carrier Sense Multiple Access/Collision Detection)
Which of the following Ethernet cable standards supports transmission speeds of more than $200 \mathrm{Mbps}$ ?A. CAT3B. CAT4C. CAT5D. CAT6
Which of the following supports the longest transmission distance?A. Coaxial cableB. UTP cableC. STP cableD. Fiber-optic cable
What is the minimum cable rating required for a 1000 BASE-TX network?A. CAT3B. CAT5C. CAT5eD. CAT6
If you need to connect two computers directly to each other using FastEthernet without going through a hub or switch, what would you need?A. CAT3 crossoverB. CAT5 crossoverC. CAT3 straightD. CAT5 straight
Which media type is not susceptible to electromagnetic interference (EMI)?A. Unshielded twisted pair cableB. Shielded twisted pair cableC. Coaxial cableD. Fiber-optic cable
What is the maximum segment length of a 100BASE-TX cable?A. 50 metersB. 75 metersC. 100 metersD. 182 metersE. 550 meters
Which of the following is the connector used for 100BASE-T Ethernet cables?A. $\mathrm{RJ}-11$B. $\mathrm{RJ}-45$C. RJ-66D. BNC
How many pairs of wires are used in an RJ-45 connector?A. 2B. 3C. 4D. 5
Which of the following devices can be used to connect two similar network segments but keeps network traffic separate on the two segments?A. CSU/DSUB. SwitchC. GatewayD. Bridge
At what radio frequency does an IEEE $802.11 \mathrm{~g}$ wireless network operate?A. $2.4 \mathrm{GHz}$B. $5.0 \mathrm{GHz}$C. $5.4 \mathrm{GHz}$D. $10 \mathrm{GHz}$
What is the maximum transmission speed supported by IEEE $802.11 \mathrm{~g}$ ?A. 2 MbpsB. $11 \mathrm{Mbps}$C. $54 \mathrm{Mbps}$D. $248 \mathrm{Kbps}$
Which of the following can be used to connect a WLAN to a wired LAN?A. An access pointB. A bridgeC. A gatewayD. A CSU/DSU
What can you replace a hub with that will also increase network performance?A. SwitchesB. RoutersC. BridgesD. Gateways
How can you determine the connection speed and signal strength of a wireless network connection on a Windows XP computer?A. A wireless access point utilityB. A wireless network adapterC. Wireless NIC propertiesD. Windows Device Manager
What command do you use to view the IP configuration of a Windows XP?A. pingB. $\operatorname{arp}=\mathbf{a}$C. ipconfig /allD. winipcfg /all
What command do you use to view the IP configuration of a Windows 98 computer?A. netstatB. arp /allC. ipconfig /allD. winipcfg /all
What command can be used to identify which computers are having an IP conflict?A. pingB. $\operatorname{arp}-\mathrm{a}$C. ipconfig /allD. winipcfg /all
You notice that a NIC card amber LED is continuously flashing very quickly. What is the problem?A. Data transmission is taking place.B. Transmission collisions are occurring.C. There is a faulty cable.D. The hub or switch is faulty.
If you can ping a website by address, but not by name, what is the problem?A. The web server is down.B. The DHCP server is down.C. The DNS server is down.D. The domain controller is down.