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WorksheetsCCST Networking Basics, Unit test
Total questions: 50
Worksheet time: 27mins
What type of network allows computers in a home office or a remote office to connect to a corporate network?
medium to large network
small office home office network
world wide network
smart home network
What can be placed in or on a package so that it can be tracked?
actuator
network interface card
sensor
RFID tag
A basic unit of information that represents one of two discrete states is known as a:
byte
octet
electrical signal
bit
When using your credit card to make purchases at several places, the credit card company can use this information to learn about your location and your preferences. This type of personal data is known as:
secret data
inferred data
observed data
volunteered data
Which of the following methods of signal transmission uses frequencies or pulses of light?
electrical signals
wireless signals
optical signals
The capacity of the medium to carry data is known as:
data rate
speed
bandwidth
throughput
Which of the following measurements includes any latency encountered during data transmissions?
speed
data rate
bandwidth
throughput
Which of the following units of measure can include any latency encountered during data transmissions?
total number of bits
bits per second
bits per millisecond
bytes per second
What is the internet?
the type of physical media used by computers to access the World Wide Web
a network of networks
an application used to access the World Wide Web
a small isolated internal network of a company
What is an example of a binary value from everyday life?
room temperature
a simple light switch
speed of a traveling car
brightness of a light bulb
A tourist is traveling through the countryside and needs to connect to the internet from a laptop. However, the laptop only has Wi-Fi and Ethernet connections. The tourist has a smartphone with 3G/4G connectivity. What can the tourist do to allow the laptop to connect to the internet?
Enable tethering and create a hotspot.
Use an Ethernet cable to connect the smartphone to the laptop.
Use the smartphone to access web pages and then pass the web pages to the laptop.
Use the smartphone to access the internet through a satellite connection and then share that connection with the laptop.
Which three steps must be completed to manually connect an Android or IOS device to a secured wireless network? (Choose three.)
Input the authentication password.
Change the MAC address.
Enter the network SSID.
Set the IP address.
Choose the correct security type.
Which type of device provides an Internet connection through the use of a phone jack?
cable modem
DSL modem
satellite modem
Wi-Fi AP
Refer to the exhibit. Which term correctly identifies the device type that is included in the area B?
source
end
transfer
intermediary
A traveling sales representative uses a cell phone to interact with the home office and customers, track samples, make sales calls, log mileage, and upload/download data while at a hotel. Which internet connectivity method would be a preferred method to use on the mobile device due to the low cost?
cellular
DSL
cable
Wi-Fi
What is a disadvantage of deploying a peer-to-peer network model?
difficulty of setup
lack of centralized administration
high degree of complexity
high cost
A user is configuring a wireless access point and wants to prevent any neighbors from discovering the network. What action does the user need to take?
Disable SSID broadcast.
Enable WPA encryption.
Configure DMZ settings.
Configure a DNS server.
Which wireless technology allows a customer to connect to a payment terminal in the store with a smartphone?
NFC
Wi-Fi
GPS
Bluetooth
Which wireless RF band do IEEE 802.11b/g devices use?
900 MHz
2.4 GHz
5 GHz
60 GHz
Which statement describes the use of powerline networking technology?
New "smart" electrical cabling is used to extend an existing home LAN.
A home LAN is installed without the use of physical cabling.
A device connects to an existing home LAN using an adapter and an existing electrical outlet.
Wireless access points use powerline adapters to distribute data through the home LAN.
What data encoding technology is used in copper cables?
pulses of light
electrical pulses
modulation of light rays
modulation of specific frequencies of electromagnetic waves
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?
TCP/IP model
protocol model
reference model
hierarchical design model
A cable installation company is trying to convince a customer to use fiber-optic cabling instead of copper cables for a particular job. What is one advantage of using fiber-optic cabling compared to copper cabling?
The cost of fiber-optic connectors is lower.
The installation skills required for fiber-optic cabling are lower.
Fiber-optic cabling can transmit signals without attenuation.
Fiber-optic cabling is completely immune to EMI and RFI.
What layer is responsible for routing messages through an internetwork in the TCP/IP model?
internet
transport
network access
session
Which two criteria are used to help select a network medium for a network? (Choose two.)
the types of data that need to be prioritized
the cost of the end devices that are used in the network
the distance the selected medium can successfully carry a signal
the number of intermediate devices that are installed in the network
the environment where the selected medium is to be installed
Which scenario is suitable for deploying twisted-pair cables?
to connect PC workstations in an office
to connect a TV set to the wall plug at home
to connect network devices in backbone networks
to connect data centers with high bandwidth requirements over long distances
What information is added to the switch table from incoming frames?
source MAC address and incoming port number
destination MAC address and incoming port number
source IP address and incoming port number
destination IP address and incoming port number
What will a Cisco LAN switch do if it receives an incoming frame and the destination MAC address is not listed in the MAC address table?
Drop the frame.
Send the frame to the default gateway address.
Use ARP to resolve the port that is related to the frame.
Forward the frame out all ports except the port where the frame is received.
At which layer of the OSI model would a logical address be added during encapsulation?
physical layer
data link layer
network layer
transport layer
What information does an Ethernet switch examine and use to build its address table?
source IP address
source MAC address
destination IP address
destination MAC address
Refer to the exhibit. If all devices are using a subnet mask of 255.255.255.0, which laptop would have an IP address with the same network number as the server?
A
B
C
Which three types of nodes should be assigned static IP addresses on a network? (Choose three.)
servers
desktop PCs
mobile laptops
printers
gateways
How many bits are in an IPv4 address?
32
64
128
256
What benefit does DHCP provide to a network?
Hosts always have the same IP address and are therefore always reachable.
DHCP allows users to refer to locations by a name rather than an IP address.
Hosts can connect to the network and get an IP address without manual configuration.
Duplicate addresses cannot occur on a network that issues dynamic addresses using DHCP and has static assignments.
A college has five campuses. Each campus has IP phones installed. Each campus has an assigned IP address range. For example, one campus has IP addresses that start with 10.1.x.x. On another campus the address range is 10.2.x.x. The college has standardized that IP phones are assigned IP addresses that have the number 4X in the third octet. For example, at one campus the address ranges used with phones include 10.1.40.x, 10.1.41.x, 10.1.42.x, etc. Which two groupings were used to create this IP addressing scheme? (Choose two.)
geographic location
device type
department
personnel type
support model
What are two characteristics of multicast transmission? (Choose two.)
The source address of a multicast transmission is in the range of 224.0.0.0 to 224.0.0.255.
A single packet can be sent to a group of hosts.
Multicast transmission can be used by routers to exchange routing information.
Computers use multicast transmission to request IPv4 addresses.
Multicast messages map lower layer addresses to upper layer addresses.
For what purpose are IPv4 addresses utilized?
An IPv4 address is used to uniquely identify a device on an IP network.
An IPv4 address is burned into the network card to uniquely identify a device.
An IPv4 address is used to uniquely identify the application that requested the information from a remote device.
An IPv4 address is used to identify the number of IP networks available.
Which number grouping is a valid IPv6 address?
1234:1230::1238::1299:1000::
12aa::1298:1200::129b
1b10::1100::2001::2900::ab11::1102::0000::2900
2001:0db8:3c55:0015:1010:0000:abcd:ff13
A company uses DHCP servers to dynamically assign IPv4 addresses to employee workstations. The address lease duration is set as 5 days. An employee returns to the office after an absence of one week. When the employee boots the workstation, it sends a message to obtain an IP address. Which Layer 2 and Layer 3 destination addresses will the message contain?
FF-FF-FF-FF-FF-FF and 255.255.255.255
both MAC and IPv4 addresses of the DHCP server
MAC address of the DHCP server and 255.255.255.255
FF-FF-FF-FF-FF-FF and IPv4 address of the DHCP server
When a host sends a packet, how does it determine if the destination of the packet is on the same local network or on a remote network?
It checks to see if the default gateway is configured.
It compares the source and destination MAC addresses.
It queries the DNS server with the destination IP address.
It uses the subnet mask to compare the source and destination IP address.
What type of route is indicated by the code C in an IPv4 routing table on a Cisco router?
static route
default route
directly connected route
dynamic route learned from another router
An employee is having connectivity issues. Why might a network technician try to ping the default gateway from the employee laptop?
to verify that an IP address was provided by the DHCP server
to determine if the laptop address is included in the DNS server
to verify that the SVI interface on the switch is configured correctly
to verify connectivity with the device that provides access to remote networks
A network administrator has a multi-floor LAN to monitor and maintain. Through careful monitoring, the administrator has noticed a large amount of broadcast traffic slowing the network. Which device would you use to best solve this problem?
switch
server
router
host
Refer to the exhibit. The IP address of which device interface should be used as the default gateway setting of host H1?
R1: G0/0
R1: S0/0/0
R2: S0/0/0
R2: S0/0/1
A user is setting up a home wireless network. A global address is to be used in NAT translations for traffic flowing through the wireless router. How is this global address assigned?
The default gateway IP address of the LAN device is used as the global address for NAT translations through the wireless router.
The wireless router will act as a DHCP client in order to receive global addressing from the ISP.
The network administrator will choose an available IP address from the LAN and configure the global addressing of the wireless router.
The host devices will select an unused IP address on the LAN for performing NAT through the wireless router.
A technician is troubleshooting a network connectivity problem. Pings to the local wireless router are successful but pings to a server on the Internet are unsuccessful. Which CLI command could assist the technician to find the location of the networking problem?
tracert
ipconfig
msconfig
ipconfig/renew
Which command would a technician use to display network connections on a host computer?
nslookup
netstat
tracert
ipconfig
A network technician attempts to ping www.example.net from a customer computer, but the ping fails. Access to mapped network drives and a shared printer are working correctly. What are two potential causes for this problem? (Choose two.)
The Windows domain or workgroup name that is configured on the computer is incorrect.
The target web server is down.
The computer has been assigned a static IP address.
DNS service is unavailable on the customer network.
The HTTP protocol is not working properly on the target server.
Two pings were issued from a host on a local network. The first ping was issued to the IP address of the default gateway of the host and it failed. The second ping was issued to the IP address of a host outside the local network and it was successful. What is a possible cause for the failed ping?
The default gateway device is configured with the wrong IP address.
Security rules are applied to the default gateway device, preventing it from processing ping requests.
The default gateway is not operational.
The TCP/IP stack on the default gateway is not working properly.
Which two TCP header fields are used to confirm receipt of data? (Choose two.)
FCS
preamble
checksum
sequence number
acknowledgment number
