What is the most common central device used today to connect computers to a network? - ANSWER switch
What is the most common adapter or connector used to connect a computer to a wired network? - ANSWER RJ45
Which o
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What is the most common central device used today to connect computers to a network? - ANSWER switch
What is the most common adapter or connector used to connect a computer to a wired network? - ANSWER RJ45
Which of the following does a switch use for increased performance? - ANSWER full duplex
What do you use to isolate a group of computers within your organization? - ANSWER VLAN
What do you use to create VLANs? - ANSWER switch
What zone is used to publish external websites for an organization? - ANSWER DMZ
Which topology is the most redundant and the most expensive? - ANSWER mesh
What standard describes CSMA/CD? - ANSWER 802.3
What mechanism do wireless networks use to access the network? - ANSWER CSMA/CA
What model promises the most processing power? - ANSWER distributive computing
Which model uses a central database for authentication? - ANSWER client/server
What type of server does Active Director run on? - ANSWER database server
Which model has each host have their own security database? - ANSWER peer-to-peer
What type of communication is sent to a single designated host? - ANSWER unicast
What is used to uniquely identify a host on a TCP/IP network? - ANSWER IP address
A _________ is a single computer or device that connects to a TCP/IP network. - ANSWER Host or Node
What is the central device used in wireless LANs? - ANSWER Wireless Access Point
What command do you use to test the TCP/IP stack on a computer? - ANSWER Ping localhost
Ping 127.0.0.1
Ping loopback
You need to divide a network into three subnets. Which Device should you use? - ANSWER Router
Connecting to a private Network address from a public network requires: - ANSWER Dynamic domain name system (DDNS).
What model is used to describe how data communication occurs between hosts? - ANSWER OSI reference model
Which layer in the OSI model do MAC addresses and switches use? - ANSWER Data Link
Which layer in the OSI model covers routing between networks? - ANSWER Network
Which layer in the OSI model is used to verify that data was delivered without error? - ANSWER Network
Which layer in the OSI model covers HTTP, FTP, and RDC? - ANSWER Application
Which layer of the OSI model is used to create a connection so that a host can transfer files? - ANSWER Session
Which layer of the OSI model includes VLANs? - ANSWER Data Link
Which protocol do you use as the transport protocol for a video application? - ANSWER UDP
Which port categories include inbound ports of HTTP, HTTPS, FTP, and DNS? - ANSWER well-known ports
What layer in the OSI model is responsible for logging on and off? - ANSWER Session
What layer in the OSI model is used to encrypt data? - ANSWER Presentation
Which layer in the OSI model includes the cable and network adapters? - ANSWER Physical
How many layers does the TCP/IP model have? - ANSWER 4
Which layer in the OSI model is included in the TCP/IP model? - ANSWER Transport
Which protocol is used to translate IP addresses to MAC addresses? - ANSWER The Address Resolution Protocol (ARP)
What ports are defined above 49,152? - ANSWER dynamic ports
A layer 3 switch is similar to a __________. - ANSWER Router
TCP/IP and IPX/SPX are known as _________ stacks. - ANSWER Protocols
What is the advantage of UDP over TCP? - ANSWER Less Overhead - Faster Performance
What are the seven layers found in the OSI model, in order? - ANSWER Physical - Data Link - Network - Transport - Session - Presentation - Application
(please do not throw away sausage pizza away)
What is the maximum speed supported by 802.11b? - ANSWER 11 Mbps
One reason to incorporate VLANs in a network is to: - ANSWER Reduce the number of nodes in a broadcast domain.
What is the minimum cabling requirement for a 100BaseTx network? - ANSWER Category 5 UTP cable
A router's static route is set by the: - ANSWER Network administrator.
What type of record does DNS use to find a mail service? - ANSWER Mail Exchanger (MX) DNS record
How many bits are there in an Internet Protocol version 6 (IPv6) address? - ANSWER 128
In which OSI layer does routing occur? - ANSWER Network
The query protocol used to locate resources on a network is: - ANSWER Lightweight Directory Access Protocol (LDAP).
What is the most common cable used today? - ANSWER UTP
If you are making a crossover cable and one end is 568A, what should the other end be? - ANSWER 568B
If you want to connect a computer directly to another computer without using a switch, you use a
__________. - ANSWER crossover cable
You need to connect a twisted-pair cable to the back of a patch panel. What tool should you use? - ANSWER punch-down tool
What is the minimum category of twisted-pair cable you need to support 100 Mbps? - ANSWER Category 5
When you pick up your wireless phone, your computer drops network connectivity. What could be
the cause of the problem? - ANSWER RFI
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? - ANSWER fiber
What do you call it when electrical signals jump to another set of wires? - ANSWER crosstalk
What type of cable should be used as part of a fire code for a building? - ANSWER plenum-rated
Which of the following is not a fiber connector? - ANSWER RJ-45
Which of the following is a characteristic of single-mode fiber? - ANSWER Single-mode fiber supports longer distances than multimode fiber.
Which protocol can be used to encrypt packets on the Internet? - ANSWER HTTPS
What is the maximum speed supported by 802.11g? - ANSWER 54 Mbps
What of the following is not a characteristic of 802.11n? - ANSWER RFI protection
Which is the most secure encryption used in wireless networks? - ANSWER WPA2
What is used to identify a wireless network? - ANSWER SSID
To test a cable, you would use a _____________. - ANSWER Continuity tester
For organizations, using ___________ authentication for wireless networks is recommended. - ANSWER 802.1x
When a signal degrades as it runs through a wire, you have ________. - ANSWER Degradation
What mode uses a wireless access point? - ANSWER Infrastructure Mode
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