Network+ N10-006 Flashcards
What type of network is defined by two computers that can both send and receive requests for resources?
peer-to-peer
What is the delay in the amount of time for data to travel between two points on a network?
latency
Fill in the blank.
In fiber-optic media, the signals are represented as patterns of
Light.
Which statement describes the ping and tracert commands?
Tracert shows each hop, while ping shows a destination reply only.
Which two devices are considered end devices? (Choose two.)
printer, laptop
What terms represent the maximum and actual speed that can be utilized by a device to transfer data?
throughput; bandwidth
What is the purpose of an IP address?
It identifies the source and destination of data packets on a network.
What is the Internet?
a network of networks
Which items are collectively referred to as network media?
wires and radio waves
Which term is used to describe a network device with the primary function of providing information to other devices?
server
Fill in the blank.
When a user is visiting an e-learning website to learn about networking, the user computer is acting as a
Refer to curriculum topic: 1.2.1
In this scenario, the computer is reliant on the e-learning website to provide the necessary information required for the user to learn about networking. Therefore, the computer is the client device.
Gigabyte
approximately one billion bytes
Kilobyte
approximately one thousand bytes
Megabyte
approximately one million bytes
Terabyte
approximately one trillion bytes
What is an advantage of the peer-to-peer network model?
ease of setup
Which criterion can be used to select the appropriate type of network media for a network?
the number of intermediary devices that are installed in the network
Fill in the blank.
Information in its raw or unorganized form that represents something is known as
data
Which two criteria are used to help select a network medium for a network? (Choose two.)
the distance the selected medium can successfully carry a signal. the environment where the selected medium is to be installed
Which type of network component is used to interconnect computing devices?
intermediate device
Which type of Ethernet cable should be used to directly connect two devices that both use the same pins for transmitting and receiving data?
crossover twisted-pair cable
What are three characteristics of UTP cabling? (Choose three.)
easiest type of networking cable to install
most commonly used networking cable
Which network device is used to translate a domain name to the associated IP address?
DNS server
Fill in the blank.
When a network is installed in a high school, it is important for a network admin to create a
topology diagram to document where each host is located and how they are connected to the network.
physical
A wireless network was recently installed in a coffee shop and customer mobile devices are not receiving network configuration information. What should be done to correct the problem?
Make sure the DHCP server is functional.
Which type of network cable contains multiple copper wires and uses extra shielding to prevent interference?
STP
Which type of technology is used to provide digital data transmissions over cell phone networks?
4G
Which type of network cable is commonly used in backbone networks and telephone companies?
fiber-optic cable
Which IP configuration parameter provides the IP address of a network device that a computer would use to access the Internet?
default gateway
What are two sources of electromagnetic interference that can affect data transmissions? (Choose two.)
microwave oven,florescent light fixture
Which term describes the interference when electrical impulses from one cable cross over to an adjacent cable?
crosstalk
What are two wiring schemes defined by the TIA/EIA organization for Ethernet installation in homes and businesses? (Choose two.)
T568A, T568B
Which wireless technology can be used to connect wireless headphones to a computer?
Bluetooth
Which type of network cable is used to connect the components that make up satellite communication systems?
coaxial
What is a technology used in a cellular telephone network?
Global System for Mobile Communications (GSM)
What is the purpose of the core layer in the Cisco hierarchical network design model
high-speed backbone switching
Which two layers of the OSI model specify protocols that are associated with Ethernet standards? (Choose two.)
physical layer
data link layer
Which term is used to refer to a Layer 2 PDU?
frame
Fill in the blank.
The
model breaks network communications down into seven functional layers.
osi
open systems interconnection
What address type does a switch use to make selective forwarding decisions?
source MAC
elements do all communication methods have in common? (Choose three.)
message destination message source transmission medium
Which type of network model describes the functions that must be completed at a particular layer, but does not specify exactly how each protocol should work?
reference model
Which three layers of the OSI model make up the application layer of the TCP/IP model? (Choose three.)
session
presentation
application
The
____
is an organization that develops and maintains Ethernet and wireless standards.
IEEE, Institute of Electrical and Electronic Engineers
When a computer assembles a frame to be sent over the network, what is the maximum size of an Ethernet frame?
1518 bytes
What type of information is contained in an ARP table?
IP address to MAC address mappings
The
___
address is a physical address assigned to every Ethernet network interface.
MAC, media access control
What role does a router play on a network?
selecting the path to destination networks
What makes it possible for e-mail to be sent and received on a wide variety of devices, including cell phones, PDAs, laptops, and desktop computers?
E-mail software is written using standards and protocols that ensure compatibility.
Which term refers to the set of rules that define how a network operates?
standard
What is the primary motivation for development of IPv6?
expanded addressing capabilities
What are three characteristics of multicast transmission? (Choose three.)
A single packet can be sent to a group of hosts.
Multicast transmission can be used by routers to exchange routing information.
The range of 224.0.0.0 to 224.0.0.255 is reserved to reach multicast groups on a local network.
Which function does NAT perform in a wireless router?
NAT takes an internal source IP address and translates it to a global IP address.
Open the PT Activity. Perform the tasks in the activity instructions and then answer the question.
Based on the DHCP configuration, how many active DHCP clients can be on the network at the same time?
Refer to curriculum topic: 4.3.3
Because the address pool starts at 192.168.1.100 and ends at 192.168.1.109 the DHCP IP address pool is 10 hosts. This means that there can only be up to 10 active hosts on the network at the same time.
How many usable hosts are available given a Class C IP address with the default subnet mask?
255
What is the destination MAC address of a broadcast Ethernet frame?
Refer to curriculum topic: 4.3.3
Like IP addressing, there is also a special MAC address for broadcast purposes, namely FF-FF-FF-FF-FF-FF.
Which IP address type is intended for a specific host?
unicast
What type of message is sent to a specific group of hosts?
multicast
What are two differences between binary and decimal numbers? (Choose two.)
Binary numbers are based on powers of 2.
Decimal numbers include 0 through 9
A technician is setting up equipment on a network. Which three devices will need IP addresses? (Choose three.)
a printer with an integrated NIC
a server with two NICs
an IP phone
What are three private IPv4 address? (Choose three.)
- 1.1.1
- 168.5.5
- 16.4.4
When IPv4 is configured for a computer on a network, what does the subnet mask identify?
the part of the IP address that identifies the network
How many binary bits exist within an IPv6 address?
128
Which destination IPv4 address does a DHCPv4 client use to send the initial DHCP Discover packet when the client is looking for a DHCP server?
255.255.255.255
Which network does a host with IP address 172.32.65.13 reside on if it is using a default subnet mask?
172.32.0.0
Which type of packet is sent by a DHCP server after receiving a DHCP Discover message?
DHCP Offer
A ___
is a host that runs software to provide information, such as web content, to other hosts.
web server
What is used by TCP and UDP to track multiple individual conversations between clients and servers?
port numbers
Which three protocols operate at the application layer of the TCP/IP model? (Choose three.)
FTP
POP3
DHCP
What type of server would use IMAP?
What action does a DNS server take if it does not have an entry for a requested URL?
The server checks with another DNS server to see if it has an entry
At which layer of the TCP/IP model does TCP operate?
transport
Which communication tool allows multiple users to communicate with each other in real time by using a smartphone application or social media site?
instant messaging
What is a “best effort” protocol well suited for streaming audio and VoIP?
UDP
Which two protocols are used in the process of sending and receiving emails? (Choose two.)
POP
SMTP
Which protocol allows a user to type www.cisco.com instead of an IP address to access the web server?
DNS
At what layer of the OSI model are port numbers addressed?
transport
Fill in the blank.
A
____
center is a facility used to house computer systems in an enterprise network.
data center
Fill in the blank.
Transport layer ports 1 through
____
are used to identify well-known ports.
1023
A user types in a URL and a page loads in the client browser.
webservice
A user uploads new files to his or her website.
file transfer
A user requests a website by typing in its name.
Domain Name system
A workstation gets its IP address automatically.
Dynamic Host Configuration
A service that allows workers to send messages to each other over the Internet.
A network technician accesses a network device securely from a remote site.
SSH
Which two applications provide virtual terminal access to remote servers? (Choose two.)
SSH
Telnet
