Chapter 15 Flashcards
(28 cards)
Which of the following is a group of computers located in a small area? ❍ A. LAN ❍ B. WAN ❍ C. PAN ❍ D. MAN
❍ A. LAN
Which of the following are most often used to connect a group of computers in a LAN? (Select the two best answers.) ❍ A. Hub ❍ B. Switch ❍ C. Bridge ❍ D. WAP
❍ B. Switch
❍ D. WAP = wireless access point
What device contains multiple hard drives and is connected directly to the network? ❍ A. Internet appliance ❍ B. Router ❍ C. NAS ❍ D. Firewall
❍ C. NAS = network attached storage
Which of the following allows voice communication over IP-based networks? ❍ A. Firewall ❍ B. Modem ❍ C. NAS ❍ D. VoIP
❍ D. VoIP = Voice Over Internet Protocol
What network topology is the most common? ❍ A. Ring ❍ B. Star ❍ C. Bus ❍ D. Mesh
❍ B. Star
What network topology combines the characteristics of two other topologies? ❍ A. Hybrid ❍ B. Star ❍ C. Bus ❍ D. Mesh
❍ A. Hybrid
Which of the following network devices moves frames of data between a source
and destination based on their MAC addresses?
❍ A. Hub
❍ B. Switch
❍ C. Router
❍ D. Modem
❍ B. Switch
Which of the following would be suitable for 1000 Mbps networks? (Select all that apply.) ❍ A. Category 3 ❍ B. Category 5 ❍ C. Category 5e ❍ D. Category 6
❍ C. Category 5e
❍ D. Category 6
Which type of cable would you use if you were concerned about EMI? ❍ A. Plenum-rated ❍ B. UTP ❍ C. STP ❍ D. Coaxial
❍ C. STP = Shielded Twisted Pair
Which type of cable can connect a computer to another computer directly? ❍ A. Straight-through ❍ B. Crossover ❍ C. Rolled ❍ D. 568B
❍ B. Crossover
Which of the following cables has a core diameter of 62.5 microns? ❍ A. Single-mode ❍ B. Category 6 ❍ C. Multimode ❍ D. STP
❍ C. Multimode
Which connector would you use for cable Internet? ❍ A. LC ❍ B. F-connector ❍ C. BNC ❍ D. RJ45
❍ B. F-connector
Which tool would you use to test a network adapter not connected to the network? ❍ A. Punch down tool ❍ B. Cable tester ❍ C. Loopback plug ❍ D. Tone and probe
❍ C. Loopback plug
Which protocol uses port 22? ❍ A. FTP ❍ B. TELNET ❍ C. SSH ❍ D. HTTP
❍ C. SSH
FTP = port 21 TELNET = port 23 HTTP = Port 80
Which of these addresses needs to be configured to enable a computer access to the Internet or to other networks? ❍ A. Subnet mask ❍ B. Gateway address ❍ C. DNS address ❍ D. MAC address
❍ B. Gateway address
The IP address 128.0.0.1 would be part of what IPv4 class? ❍ A. Class A ❍ B. Class B ❍ C. Class C ❍ D. Class D
❍ B. Class B
What technology assigns addresses on the 169.254.0.0 network number? ❍ A. DHCP ❍ B. Static IP ❍ C. APIPA ❍ D. Class B
❍ C. APIPA = Automatic Private ID addressing
What type of IPv6 address is commonly assigned to client computers? ❍ A. Unicast ❍ B. Anycast ❍ C. Multicast ❍ D. FF00
❍ A. Unicast
You want to test the local loopback IPv6 address. Which address would you use? ❍ A. 127.0.0.1 ❍ B. ::1 ❍ C. FE80::/10 ❍ D. ::0
❍ B. ::1
Which of these would be used for streaming media? ❍ A. TCP ❍ B. RDP ❍ C. UDP ❍ D. DHCP
❍ C. UDP = user datagram protocol
Which port is used by the IMAP protocol? ❍ A. 53 ❍ B. 80 ❍ C. 110 ❍ D. 143
❍ D. 143
Port 53 = DNS
Port 80 = HTTP
Port 110 = POP3
Which protocol sends and receives information in an encrypted manner by default? ❍ A. FTP ❍ B. HTTP ❍ C. HTTPS ❍ D. POP3
❍ C. HTTPS = Hypertext Transfer Protocol Secure
Which IP address can be a gateway for a computer using the IP address
10.58.64.192 and a subnet mask of 255.255.255.0?
❍ A. 10.58.64.255
❍ B. 10.58.64.1
❍ C. 10.58.64.0
❍ D. 10.59.64.1
❍ B. 10.58.64.1
Cannot use the 1 number (0) or the last (255) so one would be the logical place to start
Which Internet service makes use of PSTN? ❍ A. Dial-up ❍ B. ISDN ❍ C. DSL ❍ D. Cable Internet
❍ A. Dial-up