Bus - ANSWER-Which network topology has data transmissions on the common core, resulting in collisions and retransmissions?
Ring - ANSWER-The devices
... [Show More] form a loop with each device having two neighbors.
Star - ANSWER-A hub provides the network connectivity.
Mesh - ANSWER-Each device is directly connected to every other device.
Wide area network (WAN) - ANSWER-Uses the telecommunications network to connect over a large geographical area
Metropolitan area network (MAN) - ANSWER-Interconnects LANs within a urban area
Campus area network (CAN) - ANSWER-Extends an Ethernet network beyond one building for use by one organization in a limited geographical area
Local area network (LAN) - ANSWER-Provides connectivity within a very limited area
Which network classification allows military personnel on a 75-acre military base to share file resources, database resources, and printer resources among multiple departments located within a dozen buildings? - ANSWER-CAN
At which layer of the OSI model is the network address used? - ANSWER-Layer 3
What are the three basic layers to check when isolating a problem within a network? - ANSWER-Physical,Network,Application
Which OSI layer does a router operate on? - ANSWER-Network
Physical(OSI) - ANSWER-Provides electrical and mechanical connectivity
Transport(OSI) - ANSWER-Provides message integrity between source and destination
Session(OSI) - ANSWER-Establishes, manages, and terminates the connections
Presentation(OSI) - ANSWER-Structures the message and translates from one code to another if necessary
Application(OSI) - ANSWER-Interprets user requests and determines the information needed to support the request
Attenuation(Fiber) - ANSWER-Loss of power as light is propagated
Macrobending(Fiber) - ANSWER-Light escapes into the cladding
Microbending(Fiber) - ANSWER-Loss caused by mechanical stress
Dispersion(Fiber) - ANSWER-Light pulse spreads out in time
What is a type of fiber optic cable? - ANSWER-Multimode step-index
Which type of cable is typically recommended for use in LAN work areas? - ANSWER-Unshielded twisted pair
What is a segment? - ANSWER-A section of a network separated by a bridge, switch, or router
Which type of address differentiates devices from each other on a network? - ANSWER-IP
Which method is used for error detection of Ethernet packets? - ANSWER-CRC
Which device forwards broadcasts and is susceptible to broadcast storms? - ANSWER-Bridge
Which device enables connectivity to hosts and networks outside the LAN? - ANSWER-Router
Which device is used for connecting a wireless device to a network? - ANSWER-Access point
Which table is used by layer 3 devices to determine where to forward data packets based upon IP addresses? - ANSWER-Routing
What is the device that allows hosts on a LAN to connect to networks outside the LAN? - ANSWER-Gateway
Which layer of the OSI model does a router operate at to determine delivery to a specific device? - ANSWER-Layer 3
Direct spread spectrum(802.11 physical layer technology) - ANSWER-Wide bandwidth is used to spread the transmitted data.
Frequency-hopping spread spectrum(802.11 physical layer technology) - ANSWER-Transmit signal frequency changes based on a random sequence.
Frequency division(802.11 physical layer technology) - ANSWER-Bandwidth is divided into smaller subchannels
Infrared(802.11 physical layer technology) - ANSWER-Light is utilized instead of radio waves.
Which technique is used to broaden mobility availability in a WLAN? - ANSWER-Extended service set
Which network access method does a WLAN device use? - ANSWER-CSMA/CA
How many channels are implemented in 802.11 direct-sequence spread spectrum? - ANSWER-14
Which standard is prone to interference from Bluetooth, microwaves, and cordless phones? - ANSWER-802.11b
802.11n - ANSWER-Which standard for wireless connectivity supports data transfer rates of 200 Mbps?
What are two functions of a wireless LAN adapter? - ANSWER-Authentication and data delivery
Which two services are provided by a wireless LAN adapter? - ANSWER-Data delivery, Client authentication
Which device is used to wirelessly connect workstations to the network? - ANSWER-Access point
What is the term for a signal failure from the client during a site survey? - ANSWER-Loss of association
Which device contributes to RF interference? - ANSWER-Microwave oven
Which process determines access point placement? - ANSWER-Site survey
Which protocol does the Internet layer use to query for a network interface match to an IP address? - ANSWER-Address resolution protocol (ARP)
Which layer of the TCP/IP stack processes a request from a host to ensure a connection? - ANSWER-Application [Show Less]