Which of the following elements do both human and computer communication systems have in common? (Choose three.)
· Channel · Source · ReceiverCorrect
Which of the following is a protocol used in physical layer?
Infrared Data Association
Ethernet
All of the aboveCorrect
USB
Which of the following is not a service of Physical Later?
It converts a signal from one form to another so that it can be physically transmitted over a communication channel
It is concerned with the transmission of messages on a single local networkCorrect
Line coding that shows data how transmission is done by hardware devices that are converted for digital transmissions
Which of the following is NOT an application that uses a Network?
Games
Databases
Stand-alone applicationCorrect
FTP
Which of the following OSI model layers have the same functionality as the network access layer in the TCP/IP model? (Choose two.)
Data link PhysicalCorrect
Which of the following statement is CORRECT?
Both Physical and Data layer determines the frame synchronizations
Both Physical and Data layer uses protocol to describe the mechanical, electrical, functional and procedural means to activate, maintain and deactivate physical connections for a bit
The physical layer is concerned with bit by bit delivery and Data layer is concerned with signal equalization
The physical layer converts a signal from one form to another so that it can be physically transmitted over a communication channel and the data layer is concerned with the transmission of messages on a single local networkCorrect
Which of the following statement is INCORRECT?
The TCIP/IP Model is mapped to the OSI Model
OSI lost out to TCP/IP as the protocol suite of the Internet
The TCP/IP and OSI Model have the same number of layersCorrect
TCP/IP is the protocol used today but OSI Model is often used to describe network communication
Which of the following TCP/IP protocols exist at the transport layer of the TCP/IP reference model? (Choose two.)
· UDP · TCPCorrect
Which organization develops the 802 family of standard for wired and wireless LANs and MANs?
IEEECorrect
Which organization is responsible for developing communications standards for Voice over IP (VoIP) devices?
The Telecommunications Industry Association (TIA)Correct
Which organization is responsible for the standard that defines Media Access Control for wired Ethernet?
IEEECorrect
Which OSI reference model layer is responsible for common representation of the data transferred between application layer services?
PresentationCorrect
Which PDU is processed when a host computer is de-encapsulating a message at the transport layer of the TCP/IP model?
segmentCorrect
Which procedure is used to access a Cisco 2960 switch when performing an initial configuration in a secure environment?
Use the console port to locally access the switch from a serial or USB interface of the PC.Correct
Which standard specifies the Ethernet MAC sublayer functionality in a computer NIC?
IEEE 802.3Correct
Which statement accurately describes public IP addresses?
Public IP addresses must be unique across the entire InternetCorrect
Which statement describes a characteristic of the frame header fields of the data link layer?
They vary depending on protocolsCorrect
Which statement describes a feature of an IOS host name configuration?
It does not allow spacesCorrect
Which statement describes a network that supports QoS?
The network provides predictable levels of service to different types of trafficCorrect
Which statement is correct about network protocols?
They define how messages are exchanged between the sources and the destinationCorrect
Which statement is true about an interface that is configured with the IPv6 address command?
A link-local IPv6 address is automaticallyCorrect
Which TCP header field specifies the number of bytes that can be accepted before an acknowledgement is required?
Window sizeCorrect
Which TCP/IP model layer is responsible for providing the best path through the network?
InternetCorrect
Which technology would be best to provide a home user with a highspeed, always-on Internet connection?
DSLCorrect
Which term defines the processing capabilities of a switch by rating how much data can be processed per second?
forwarding rateCorrect
Which three fields are used in a UDP segment header? (Choose three.)
· Source Port · Checksum · LengthCorrect
Which two components are added to the PDU at the network access layer? (Choose two.)
· frame header · TrailerCorrect
Which two connection options provide an always-on, high-bandwidth Internet connection to computers in a home office? (Choose two.
· Cable · DSLCorrect
Which two engineering organizations define open standards and protocols that apply to the data link layer?
International Telecommunication Union (ITU)Correct
Which two factors influence the method that is used for media access control? (Choose two.)
· how connection between nodes appears to the data link layer · how nodes share the mediaCorrect
Which two files are loaded into RAM by the router when it boots? (Choose two.)
· startup configuration · IOS imageCorrect
Which two functions or operations are performed by the MAC sublayer? (Choose two.)
· it adds a header and trailer to form an OSI Layer 2 PDU · It is responsible for Media Access ControlCorrect
Which two Internet connection options do not require that physical cables be run to the building? (Choose two.)
· Cellular · satelliteCorrect
Which two message timing mechanisms are used in data communication? (Choose two.)
· response timeout · flow controlCorrect
Which two statement describe broadcast transmissions on a wired network? (Choose two.)
· Directed broadcasts are intended for all hosts on a local or remote network · Limited broadcasts are only intended for the hosts on a local networkCorrect
Which two statements are true of the deterministic access method?(Choose two.)
· The throughput is predictable · Devices take turns transmittingCorrect
Which two statements are true regarding the user EXEC mode? (Choose two.)
· Only some aspects of the router configuration can be viewed · This is the default mode on an unconfigured router when first powered up.Correct
Which two statements describe intermediary devices? (Choose two.)
· Intermediary devices direct the path of the data. · Intermediary devices connect individual hosts to the network.Correct
Which type of IPv6 address is not routable and used for communication on a single subnet?
link-local addressCorrect
Which type of network design combines voice, video, and data on the same communication channel?
a converged networkCorrect
Which type of traffic must receive the highest priority from QoS?
VoIPCorrect
Which value, that is contained in an IPv4 header field, is decremented by each router that receives a packet?
Time-to-LiveCorrect
Why would a network administrator use the CLI of the Cisco IOS?
to add a password to a Cisco network deviceCorrect
Why would a technician enter the command copy startup-config running config?
to copy an existing configuration into RAMCorrect
Within a production network, what is the purpose of configuring a switch with a default gateway address?
The default gateway address is used to forward packets originating from the switch to remote networksCorrect
Your organization is issued the IPv6 prefix of 2001:0000:130F::/48 by your service provider. With this prefix, how many bits are available for your organization to create subnetworks?