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69 Cards in this Set
- Front
- Back
What is the most common central device used today to connect computers to a network?
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Switch |
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What is the most common adapter or connector used to connect a computer to a wired network? |
RJ45 |
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Which of the following does a switch use for increased performance? |
Full-Duplex |
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What do you use to isolate a group of computers within your organization? |
VLAN |
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What do you use to create VLANs? |
Switch |
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What zone is used to publish external websites for an organization? |
DMZ |
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Which topology is most redundant and most expensive? |
Mesh |
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What standard describes CSMA/CD? |
802.3 |
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What mechanism do wireless networks use to access the network? |
CSMA/CA |
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What model promises the most processing power? |
Distributive Computing |
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Which model users a central database for authentication? |
Client Server |
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What type of server does Active Director run on? |
Network Controller |
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Which model has each host have their own security database? |
Peer to Peer |
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What type of communication is sent to a single designated host? |
Unicast |
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What is used to uniquely identify a host on a TCP/IP network? |
IP address |
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A _________ is a single computer or device that connects to a TCP/IP network. |
Host or a node |
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What is the central device used in wireless LANs? |
Wireless Access Point |
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What command do you use to test the TCP/IP stack on a computer? |
Ping local host Ping loopback Ping 127.0.0.1 |
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You need to divide a network into three subnets. Which Device should you use? |
Router |
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Connecting to a private Network address from a public network requires: |
Network Address Translation |
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What model is used to describe how data communication occurs between hosts? |
OSI Reference Model |
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Which layer in the OSI model do MAC addresses and switches use? |
Data Link |
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Which layer in the OSI model covers routing between networks? |
Network |
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Which layer in the OSI model is used to verify that data was delivered without error? |
Network |
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Which layer in the OSI model covers HTTP, FTP and RDC? |
Application |
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Which layer of the OSI model is used to create a connection so that a host can transfer files? |
Session |
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Which layer of the OSI model includes VLANs? |
Data Link |
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Which protocol do you use as the transport protocol for a video application? |
UDP |
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Which port categories include inbound ports of HTTP, HTTPS, FTP, and DNS? |
Well-known ports |
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What layer in the OSI model is responsible for logging on and off? |
Session |
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What layer in the OSI model is used to encrypt data? |
Presentation |
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Which layer in the OSI model includes the Network and cable adapter? |
Physical |
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How many layers does the TCP/IP model have? |
4 |
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Which protocol is used to translate IP addresses to MAC addresses? |
ARP |
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What ports are defined above 49,152? |
Dynamic ports |
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A layer 3 switch is similar to a |
Router |
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TCP/IP and IPX/SPX are known as _________ stacks. |
Protocols |
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What is the advantage of UDP over TCP? |
Less Overhead - faster performance |
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What are the seven layers found in the OSI model, in order? |
Physical – Data Link – Network – Transport – Session – Presentation – Application |
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What is the maximum speed supported by 802.11b? |
11 Mbps |
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One reason to incorporate VLANs in a network is to: |
Reduce the number of nodes in a broadcast domain |
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What is the minimum cabling requirement for a 100 Base TX network? |
Cat 5 UTP cable |
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A router’s static route is set by the: |
Administrator |
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What type of record does DNS use to find a mail service? |
Mail Exchanger (MX) DNS record |
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How many bits are there in an Internet Protocol version 6 (IPv6) address? |
128 |
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In which OSI layer does routing occur? |
Network |
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The query protocol used to locate resources on a network is: |
LDAP |
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What is the most common cable used today? |
UTP |
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If you are making a crossover cable and one end is 568A, what should the other end be? |
568B |
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If you want to connect a computer directly to another computer without using a switch, you use a |
Crossover cable |
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You need to connect a twisted-pair cable to the back of a patch panel. What tool should you use? |
Punched down tool |
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What is the minimum category of twisted-pair cable you need to support 100 Mbps? |
CAT 5 |
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When you pick up your wireless phone, your computer drops network connectivity. What could be the cause of the problem? |
RFI |
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You are setting up a network within a warehouse using Category 6 UTP. However, parts of the network are down because of the heavy machinery used. What cable type should you use? |
Fiber |
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What do you call it when electrical signals jump to another set of wires? |
Crosstalk |
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What type of cable should be used as part of a fire code for a building? |
Plenum rated |
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Which of the following is not a fiber connector? |
RJ-45 |
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Which of the following is a characteristic of single-mode fiber? |
Single-mode fiber supports longer distances than multimode fiber. |
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Which protocol can be used to encrypt packets on the Internet? |
HTTPS |
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What is the maximum speed supported by 802.11g? |
54 Mbps |
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Which of the following are the characteristics of 802.11n? |
Frame aggregation Channel bonding MIMO |
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What is the most secure encryption used in wireless network? |
WPA2 |
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What is used to identify a wireless network? |
SSID |
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To test a cable, you would use a |
Continuity tester |
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For organizations, using ___________ authentication for wireless networks is recommended. |
802.1X |
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When a signal degrades as it runs through a wire, you have |
Degradation |
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What mode users a wireless access point? |
Infrastructure Mode |
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What command do you use to connect to a FTP server to download a file? |
ftp |
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What are the private IP address? |
10.0.0.0 - 10.255.255.255 |