Fundamentals of Networking Technologies - Competency 2 - Practice Test
SONET's extraordinary ____ results from its use of a double-ring topology over fiber-optic cable.
fault tolerance
A common way of sharing resources on a peer-to-peer network is by modifying the ____ controls using the computer's operating system.
file-sharing
As part of CSMA/CD, a process known as ____________________ allows the NIC issue a special 32-bit sequence that indicates to the rest of the network nodes that its previous transmission was faulty and that those data frames are invalid.
jamming
In the 10GBase-LR standard, the L stands for ____
long reach
One of the most common transmission flaws affecting data signals is ____.
noise
When a computer can both access and share resources on a network it is called a:
peer
In a(n) ____________________ network, every computer can communicate directly with every other computer.
peer-to-peer
On most modern WANs, a ring topology relies on ____ rings to carry data.
redundant
A ____ converts digital signals into analog signals for use with ISDN phones and other analog devices.
terminal adapter
In modulation, a simple wave called a(n) ____ wave, is combined with another analog signal to produce a unique signal that gets transmitted from one node to another.
carrier
A physical topology ____.
depicts a network in broad scope
A ____ connection is one in which a user connects her computer, via a modem, to a distant network and stays connected for a finite period of time.
dial-up
To establish a satellite Internet connection, each subscriber must have a ____.
dish antenna
A digital signal composed of a pulse of positive voltage represents a(n) ____.
1
1000Base-SX has a maximum throughput of ____.
1 Gbps
The speed of a T1 line is
1.544 Mbps
1000Base-T is a standard for achieving throughputs ____ times faster than Fast Ethernet over copper cable.
10
An 802.11g antenna has a geographic range of ____ meters.
100
You have purchased an access point capable of exchanging data via the 802.11b or 802.11g wireless standard. According to these standards, what is the maximum distance, in meters, from the access point that wireless stations can travel and still reliably exchange data with the access point?
100
What is the maximum distance specified in the structured cabling standard for a horizontal wiring subsystem?
100 m
The segment length for 100BasetT is
100 meters
In the case of connecting two WLANs, access points could be as far as ____ feet apart.
1000
Your school's network has outgrown its designated telco rooms, so you decide to house a few routers in an old janitor's closet temporarily. However, since the closet has no power outlets, you will have to supply the routers power over the network. If you're lucky, your LAN already uses which of the following Ethernet standards that will allow you to do that?
1000Base-T
Which of the following uses two pairs of wires and can transmit at 100Mbps?
100BaseTX
What is another name for Fast Ethernet using two pair of wire in a CAT5 cable?
100BaseTx
Which of the following supports a 10,000 Mbps connection over fiber with a maximum segment length of 40 kilometers?
10GBASE-ER
Which of the following supports a 10,000 Mbps connection over fiber with a maximum segment length of 82 meters?
10GBASE-SR
Which of the following 10-gigabit technologies has the longest maximum segment length?
10GBase-ER
Which of the following allows the LONGEST distance using single-mode fiber?
10GBase-ER
Which of the following is the type of 10-Gigabit Ethernet that can carry signals the farthest, nearly 25 miles?
10GBase-ER
The 10-gigabit fiber optic standard with the shortest segment length is ____.
10GBase-SR
Which of the following Ethernet standards is specially encoded for transmission over WANs using SONET technology?
10GBase-SW TYPE:MA
In the United States how many channels are available in the 2.4GHz band for use by 802.11 devices.
11
The byte 00001110 means ____ on a digital network.
14
You work for a regional common carrier and have been asked to design a passive optical network that will bring high speed Internet access to a new neighborhood in a nearby suburb. The area served by the network will bring fiber-optic cable to as many as 45 households. At least how many ports on the carrier's OLT should you expect to configure?
2
Your company has decided to order ADSL from its local telecommunications carrier. You call the carrier and find out that your office is located 17,000 feet from the nearest CO. Given ADSL's potential throughput and your distance from the CO, what is the maximum downstream throughput you can realistically expect to achieve through this connection?
2 Mbps
What frequency band is used by 802.11b, 802.11g, and 802.11n?
2.4 GHz
The frequency of 802.11b and 802.11g is which of the following?
2.4GHz
The average geographic range for an 802.11a antenna is ____ meters.
20
Most satellites circle the Earth ____ miles above the equator in a geosynchronous orbit.
22,300
ISDN PRI uses ____ B channels and one 64-Kbps D channel.
23
The maximum cable length for a Thicknet network is
500 meters
Which 802.11 standard uses only the 5GHz band and can operate at 11Mbps?
802.11a
Which 802.11 standard uses the 5GHz band and operates at a maximum of 54Mbps?
802.11a
____ is the least popular WLAN standard.
802.11a
Which of the following are capable of operating at 11Mbps? (Choose all that apply)
802.11a 802.11b 802.11g 802.11n
Of the following, which are capable of operating at 54Mbps? (Choose all that apply)
802.11a 802.11g 802.11n
Which 802.11 standard uses the 2.4GHz band and has a maximum throughput of 11Mbps?
802.11b
Which 802.11 standard uses the 2.4GHz band and operates at either 11Mbps or 54Mbps?
802.11g
Your network manager has purchased a dozen new access points and all are configured to use the new 802.11n standard in the 2.4-GHz band. These access points will be capable of communicating with older access points that run which of the following standards? (Choose all that apply.)
802.11g 802.11b
Which 802.11 standard uses the 2.4GHz or 5GHz bands and has a maximum throughput of 600Mbps?
802.11n
Which of the following makes use of channel bonding to maximize throughput?
802.11n
Which of the following wireless networking standards can reliably transmit data the farthest?
802.11n
____ may use either the 2.4-GHz or 5-GHz frequency range.
802.11n
Which IEEE standard defines CSMA/CD?
802.3
Which of the following decimal numbers corresponds to the binary number 00001001?
9
Which of the following is an advantage of using a client/server network over using a peer-to-peer network?
A client/server network allows resources to be managed centrally.
On a client/server network, clients and servers usually require what to communicate?
A connectivity device
Which of the following 802.11 transmission requirements contributes to its inefficiency?
A destination node must issue an acknowledgment for every packet that is received intact.
What is different about the method used to boost a digital signal's strength, compared with the method of boosting an analog signal's strength?
A digital signal requires a repeater, which retransmits the signal in its original form, and an analog signal requires an amplifier, which increases the strength of both the signal and the noise it has accumulated.
In which of the following network links might you use MT-RJ connectors?
A fiber-optic connection between a server and router
In which of the following environments would a WAN be most appropriate?
A global hotel chain connecting its reservation desks to a central call center
Every user at one location on your company's WAN is unable to reach the Internet. Your colleague on the network management team suspects a critical router is unable to connect to the network. Because you're in the building affected by the outage, she asks you to troubleshoot the router. You confirm that the router is not responding to any requests over the network. Which of the following do you use to connect directly from your laptop to the router to diagnose it?
A serial cable
Which two of the following are asymmetrical versions of DSL?
ADSL VDSL
Which of the following are capable of 622Mbps of bandwidth?
ATM
What technique is used to achieve 1-Gbps throughput over a Cat 5 cable?
All four wire pairs are used for both transmission and reception.
Of the following, which are capable of operating at 54Mbps?
All of the above
A customer is considering upgrading his office to wireless. He is concerned because his phone system used 900Mhz cordless handsets and headsets. To overcome any issues related to his concern, which wireless specification would you recommend.
Any of the above
Which connection is used on a Thinnet network?
BNC T connector
Which device is used to prevent a signal from bouncing on a Thinnet network?
BNC terminator
Fiber-optic cable is normally used for
Backbones
You offer your networking expertise to a small nonprofit organization. The three employees each have a desktop computer and want to share the single broadband cable Internet connection that comes to their office. You donate a router you have sitting around to make this sharing possible. Where on your network should you install the router?
Between the cable modem and the workstations
Which of the following topologies is susceptible to signal bounce?
Bus
Modern LANs use ____ or higher wiring.
CAT 5
A(n) ____ is the place where a telephone company terminates lines and switches calls between different locations.
CO
In the 802.11 standard, IEEE specifies what type of access method?
CSMA/CA
Which access method is used by 802.11b?
CSMA/CA
All Ethernet networks, independent of their speed or frame type, use an access method called ____.
CSMA/CD
Ethernet networks use which access method?
CSMA/CD
Which of the following access methods senses whether or not the cable is free before sending data?
CSMA/CD
Your organization has just ordered its first T1 connection to the Internet. Prior to that, your organization relied on a DSL connection. Which of the following devices must you now have that your DSL connection didn't require?
CSU/DSU
What is the minimum cabling standard required for 10GBase-T Ethernet?
Cat 6
____ is an 802.11n feature that allows two adjacent 20-MHz channels to be combined to make a 40-MHz channel.
Channel bonding
Which of the following types of networks provides security and centralized management?
Client-Server
____ networks are the most popular type of network for medium- and large-scale organizations.
Client/server
In wavelength division multiplexing, two modulated signals are guaranteed to differ in what characteristic?
Color
____________________ are the pieces of hardware that connect the wire to the network device.
Connectors
The serial interface on the back of the connectivity device is often labeled "____."
Console
Which connector is used in RS-232 transmissions?
DB-25
A ____ aggregates multiple DSL subscriber lines and connects them to the carrier's CO.
DSLAM
How can a server distinguish between many clients on a network?
Each client is identified by a unique network address.
If an organization follows structured cabling standards, where would its demarc be located?
Entrance facilities
Ethernet and ATM both specify Data Link layer framing techniques. How do they differ?
Ethernet uses variably sized packets, whereas ATM uses fixed-sized cells
____ means that a telephone company connects residential users to its network with fiber-optic cable.
FTTH
The effects of scattering, reflecting and diffracting on a wireless signal are referred to collectively as ___________.
Fading
After SONET, BPL has the best maximum throughput available.
False
Clients on a client/server network share their resources directly with each other.
False
In a star topology, a single connection failure will halt all traffic between all sites.
False
Latency occurs when a signal traveling on one wire or cable infringes on the signal traveling over an adjacent wire or cable.
False
The most popular method for connecting nodes on a network is circuit switching.
False
The simplest form of a network is a client/server network.
False
The strength of an electrical signal is directly proportional to its frequency.
False
WiMAX is defined by the IEEE 802.11 standard.
False
Which cable would you use to connect a server 1 kilometer away without the use of a repeater?
Fiber optic
Which of the following is the least susceptible to EMI?
Fiber-optic cable
Which one of the following media is most resistant to EMI?
Fiber-optic cable
Which two of the following techniques help to reduce overhead in 802.11n wireless transmission?
Frame aggregation Channel bonding
Which of the following WAN topologies comes with the highest availability and the greatest cost?
Full mesh
Which of the following types of satellites is used to provide satellite data services?
Geosynchronous orbit
____ describes wiring that connects workstations to the closest telecommunications closet.
Horizontal wiring
A business has expanded to additional floors in the building. The expansion only calls for switches and patch panels to be installed. Which of the following would the network manager need to locate?
IDF
A customer calls your ISP's technical support line, complaining that his connection to the Internet usually goes as fast as 128 Kbps, but today it is only reaching 64 Kbps. He adds that he has tried dialing up three different times with the same result. What type of connection does this customer have?
ISDN
Which relationship between ISDN and PSTN is true?
ISDN is faster
Where on the PSTN would you most likely find a DSLAM?
In a remote switching facility
Why is packet switching more efficient than circuit switching?
In packet switching, packets can take the quickest route between nodes and arrive independently of when other packets in their data stream arrive.
How many wire pairs can a single 110 block terminate?
It depends on the type of 110 block.
Which of the following is a potential drawback to using fiber-optic cable for LANs?
It is expensive.
How does ATM differ from every other WAN technology described in this chapter?
It uses fixed-sized cells to carry data.
Which satellites transmit and receive signals in the 12 to 18 GHz band?
Ku-
A ____ network is confined to a relatively small space.
LAN
____________________ encapsulates incoming Ethernet or token ring frames, then converts them into ATM cells for transmission over an ATM network.
LANE (LAN Emulation)
Which of the following wireless standards provides an entirely IP-based, packet-switched network for both voice and data transmissions? (Choose two.)
LTE 802.16m
Suppose you work for a telecommunications carrier who is looking into providing WiMAX in a suburb of a large city. A colleague suggests that your company reserve licensed frequencies from the FCC for your service. Why?
Licensed frequencies will suffer less interference than unlicensed frequencies.
A ____ network connects clients and servers from multiple buildings.
MAN
Which of the following QoS techniques enables packet-switched technologies to travel over traditionally circuit-switched connections?
MPLS
Which of the following is not a source of EMI?
Megaphone
____ WANs are the most fault-tolerant type of WAN because they provide multiple routes for data to follow between any two points.
Mesh
To function as a server, a computer must be running a(n) ____________________.
NOS (network operating system)
Which statement describes an advantage of networks?
Networks enable multiple users to share resources.
Which of the following WAN technologies operates at Layer 3 of the OSI model?
None of the above
The data rate of a particular SONET ring is indicated by its ____, a rating that is internationally recognized by networking professionals and standards organizations.
OC (Optical Carrier) level
You work for an Internet service provider that wants to lease a T3 over a SONET ring. What is the minimum Optical Carrier level that the SONET ring must have to support the bandwidth of a T3?
OC1
Which of the following WAN technology types provides the FASTEST speeds?
OC3
Suppose you wanted to share documents among several computers in your household in a peer-to-peer fashion. You could do that by properly configuring which of the following types of software?
Operating system software
The ____ encompasses the entire telephone system, from the wires that enter homes and businesses to the network centers that connect different regions of a country.
PSTN
Which of the following would use Cat5e connectors?
Patch panel
Which of the following types of networks is the easiest and cheapest to setup?
Peer-to-peer
Which of the following types of networks requires the user to remember multiple passwords to access shared resources?
Peer-to-peer
Where do you terminate Cat 6a cables in the cross-connect facility to complete a circuit?
Punch-down block
Which of the following connector types are MOST commonly associated with phone jacks?
RJ-11
When a wireless signal encounters an object with dimensions that are greater than its wavelength which condition occurs?
Reflection
Which of the following network topologies describes a network where packets of data are transmitted from one computer to another in a circular fashion?
Ring
Suppose your WAN contained a segment that relied on the l0GBase-EW standard. Which of the following transmission technologies might it use?
SONET
Which of the following statements about SONET are correct?
SONET is a high-speed, fiber-option data transmission system. OC1 relates to a speed of 51.48 Mbps SONET can be used for global high-speed data services.
A technician is troubleshooting a UTP cable that has been suspected of having problems due to EMI. Which of the following cables should the technician use without adding new equipment to the network?
STP
Suppose you work for a bank and are leasing a frame relay connection to link an automatic teller machine located in a rural grocery store with your bank's headquarters. Which of the following circuits would be the best option, given the type of use this automatic teller machine will experience?
SVC
A unique characteristic of the 802.11 data frame is its ____ field.
Sequence Control
What part of a cable protects it against environmental damage?
Sheath
Which of the following network topologies is most common on today's networks?
Star
Which of the following topologies is the easiest to reconfigure?
Star
____________________ is a component of a network's logical topology that determines how connections are created between nodes.
Switching
The science museum where you work determines that it needs an Internet connection capable of transmitting and receiving data at 12 Mbps at any time. Which of the following T-carrier solutions would you advise
Ten T1s
What part of a cellular network manages handoff?
The base station
You're troubleshooting a problem with a T1 connection between your business and the service provider's facility. The T1 connection intermittently goes down. When you call the service provider for assistance, they say that they will only engage one of their service technicians after you have verified that all of your customer premises equipment is in working order. Given that requirement, which of the following do you not examine for faults?
The cable that enters the smart jack from outside your building.
What are the disadvantages of a bus topology (Choose two)
The cabling is difficult to troubleshoot A break in the cabling will bring down the network.
Which of the following may limit a DSL connection's capacity?
The distance from the customer to the carrier's switching facility
Your campuswide WAN is experiencing slow Internet response times. When you call your Internet service provider to ask if they can troubleshoot the problem from their end, they warn you that their responsibilities end at the demarc. What do they mean?
They will not diagnose problems beyond your organization's entrance facilities.
You have a workstation over 105 meters from hub. Your using cat 3 cabling. You are unable to connect to the network server.
This does not meet the required objective
You have a workstation over 105 meters from hub. Your using cat 3 cabling. You are unable to connect to the network server. Required objective: connect to the server Optional objective: Faster connection. Proposed solution, replace the NIC with a 100BaseFX NIC
This does not meet the required objective
What technique does T1 technology use to transmit multiple signals over a single telephone line?
Time division multiplexing
The physical layout of nodes on a network is known as the network's:
Topology
A network's access method is its method of controlling how network nodes access the communications channel.
True
ATM is a WAN technology that functions in the Data Link layer.
True
Dial-up ISDN does not convert a computer's digital signals to analog before transmitting them over the PSTN.
True
Ethernet is an example of a baseband system found on many LANs.
True
Logical connectivity problems often prove more difficult to isolate and resolve than physical connectivity problems.
True
Modern Ethernet networks are based on the star topology.
True
SONET specifies framing and multiplexing techniques at the Physical layer.
True
The maximum distance a signal can travel and still be interpreted accurately is equal to a segment's maximum length.
True
Very large peer-to-peer networks have emerged to take advantage of the Internet.
True
Which of the following symptoms may point to a faulty switch port?
Twelve users in one department complain that they cannot log on to the network.
In which of the following examples do the workstations necessarily share a collision domain?
Two computers connected to the same hub
____________________ cabling consists of one or more insulated wire pairs encased in a plastic sheath.
UTP (unshielded twisted pair)
Given their long-distance capabilities, 10GBase-ER and 10GBase-EW are best suited for use on ____.
WANs
____ is a technology used with fiber-optic cable, which enables one fiber-optic connection to carry multiple light signals simultaneously.
WDM (wavelength division multiplexing)
As the network manager for a small business, you have been asked to evaluate high-speed, packet-switched wireless data services that your company's users can use at their desks, in their cars, and at their homes within your metropolitan area. Which two of the following meet those criteria, and are therefore candidates for evaluation?
WiMAX 2 LTE
__________ is a transmission form in which the signal monopolizes the entire wire.
baseband
In a process called ____, two 64-Kbps ISDN B channels can be combined to achieve an effective throughput of 128 Kbps.
bonding
The most common logical topologies are ____ and ring.
bus
Which term describes the hardware that makes up the enterprise-wide cabling system?
cable plant
A ____ occurs when two transmissions interfere with each other.
collision
A ____ is a specialized device that allows multiple networks or multiple parts of one network to connect and exchange data.
connectivity device
The more twists per foot in a pair of wires, the more resistant the pair will be to ____.
cross talk
Ethernet relies on which of the following transmission types?
full-duplex
When signals are free to travel in both directions over a medium simultaneously, the transmission is considered ____.
full-duplex
A complex combination of topologies is known as a ____ topology.
hybrid
Many network problems can be traced to poor cable ____ techniques.
installation
The portion of the PSTN that connects any residence or business to the nearest CO is known as the ____.
local loop
In the 10GBase-LR standard, the L stands for ____.
long reach
___________ is a transmission that issues signals to multiple, defined recipients.
multicast
A(n) ____________________ combines individual SONET signals on the transmitting end, and another multiplexer separates combined signals on the receiving end.
multiplexer
Which network model ensures that no computer on the network has more authority than another?
peer-to-peer
A cable standard that includes a fire-retardant jacket is:
plenum cable
A part of a network that does contain end nodes is called a(n) __________ segment.
populated
WANs typically send data over ____ available communications networks.
publicly
In packet switching, when packets reach their destination node, the node ____ them based on their control information.
reassembles
In a ring network, each workstation acts as a(n) ____ for the transmission.
repeater
Broadband cable requires many subscribers to share the same local line, thus raising concerns about ____ and actual (versus theoretical) throughput.
security
A ____ facilitates communication and resource sharing between other computers on the network.
server
Often, separate LANs are interconnected and rely on several ____ running many different applications and managing resources other than data.
servers
The speed of a T-carrier depends on its ____ level.
signal
Serial refers to a style of data transmission in which the pulses that represent bits follow one another along a ____ transmission line.
single
A(n) ____________________ is a computer that is not connected to other computers and that uses software applications and data stored on its local disks.
stand-alone computer
Which network topology is the most common?
star
A node in ____________ communications recognizes that it should be receiving data by looking at the time on the clock.
synchronous
Without ____, a bus network would suffer from signal bounce.
terminators
Fiber-optic cable networks can span much longer distances than copper-based networks before requiring repeaters because:
they are resistant to noise such as EMI.
The data transmission characteristic most frequently discussed and analyzed by networking professionals is ____.
throughput
The most significant factor in choosing a transmission method is its ____.
throughput
The 10GBase-T standard is considered a breakthrough for transmitting 10 Gbps over ____ medium.
twisted pair
A part of a network that does not contain end nodes is called a(n) __________ segment.
unpopulated
The distance between corresponding points on a wave's cycle is called its ____.
wavelength
____ is an 802.11n network feature allowing the combination of multiple frames into one larger frame.
Frame aggregation
____ is an updated, digital version of X.25 that also relies on packet switching.
Frame relay
____ satellites are the type used by the most popular satellite data service providers.
Geosynchronous earth orbiting
Which standard is designed to provide voice, video and data transmissions over a digital telephone network?
ISDN
What is the primary function of a file server on a client/server network?
It manages access and use of shared applications and data.
What is the purpose of cladding in a fiber-optic cable?
It reflects the signal back to the core.
What happens in CSMA/CD when a node detects that its data has suffered a collision?
It signals to the network that its data was damaged in a collision, waits a brief period of time before checking the network for activity, and then retransmits the data.
Which of the following wireless technologies boasts the highest maximum theoretical throughput?
LTE
Which of the following elements of the PSTN is most likely capable of transmitting only analog signals?
Local loop
The maximum segment length for a 1000Base-SX network depends on which two of the following?
Modal Bandwidth (2) Fiber core diameter (5)
Which of these cables cannot carry electrical power?
Multi-mode
A(n) ____________________ uses TDM (time division multiplexing) over two wire to divide a single channel into multiple channels.
T-carrier
Which standard is also known as structured cabling?
TIA/EIA Commercial Building Wiring Standard
The science museum where you work determines that it needs an Internet connection capable of transmitting and receiving data at 12 Mbps at any time. Which of the following T-carrier solutions would you advise?
Ten T1s
On an ISDN connection, what device separates the voice signal from the data signals at the customer premises?
Terminal adapter
Your colleague, in describing the benefits of a client/server network, mentions that it's more scalable than a peer-to-peer network. What does she mean by this?
The client/server network can be more easily expanded.
What is the purpose of ISDN's D channel?
To carry call session information
Some software errors point to a physical connectivity problem.
True
You are designing a 100Base-T network to connect groups of workstations in two different offices in your building. The offices are approximately 250 meters apart. If you only use repeating devices to connect the workstation groups, how many hubs will you need?
Two
____________________ are connections between network nodes that, although based on potentially disparate physical links, logically appear to be direct, dedicated links between those nodes.
Virtual circuits
A network that connects two or more geographically distinct LANs or MANs is called a(n) ____________________.
WAN (wide area network)
The individual geographic locations connected by a WAN are known as ____.
WAN sites
802.11a networks use which topology type?
Wireless
Which of the following 802.11 channels operates above 5GHz?
a
With everything else being equal, a network using which of the following UTP types will suffer the most cross talk?
Cat 3
__________ is a transmission in which signals are modulated as to use different frequency ranges.
broadband
___________ is a transmission that involves one transmitter and multiple, undefined receivers.
broadcast
The point where one company's communication network is connected to a network owned by another company is called the
Demarc
____ describes a popular serial data transmission method.
EIA/TIA RS-232 (Recommended Standard 232)
Which of the following network technologies does not use circuit switching?
Ethernet
A wave with which of the following frequencies would have the longest wavelength?
10 MHz
The maximum cable length for a 100BASE-T network is
100 meters
The most common 1-Gigabit Ethernet standard in use today is ____.
1000Base-LX
Which of the following will support a 10,000 Mbps connection over fiber optio cable with a maximum segment length of 10 kilometers?
10GBASE-LR
You have been asked to provide a connectivity solution for a small, locally owned franchise of a national restaurant chain. The owners of the franchise want to send their confidential sales figures, personnel information, and inventory updates to the national office, which is 1200 miles away, once per week. Their total monthly data transfer will amount to almost 50 megabytes. The franchise owners do not plan to use the connection for any other purposes, and they do not have any IT staff to support the connection. Also, they do not want to spend more than $100 per month, nor more than $500 to install their connection. Considering cost, speed, reliability, technical expertise, distance, security, and the nature of their environment, what is the best solution for this client?
A DSL connection to a local telephone and Internet service provider that uses IPSec to encrypt the data before it is sent to the national office's file server over the Internet
On a 10Base-T network, which of the following best describes how the wires of a UTP cable are used to transmit and receive information?
One wire pair handles data transmission, while another wire pair handles data reception. (1)
____________________ is a term used by networking professionals to describe the nondata information that must accompany data for a signal to be properly routed and interpreted by the network.
Overhead
When comparing circuit switching to packet switching, which of the following is true? (Choose three)
Packet switching is more flexible and determines alternate routing. Circuit switching defines a static path from one end node to the other. Packet switching has a mesh of paths between the source and destination (first 3)
____________________ transmission involves one transmitter and multiple receivers.
Point-to-multipoint
What is a common language or common rules that computers use to communicate with each other is called?
Protocol
What type of topology is required for use with a 100Base-TX network?
Star