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WorksheetsAM Final Review 25-26
Total questions: 150
Worksheet time: 1hrs 24mins
Networks are usually classified using three different properties
Topologies
Protocol
Architecture
All of these
The word MODEM stands for
(a)
Full Form of FTP
File Transfer Protocol
File Transport Protocol
File Tender Protocol
None of these
Different Network Methods are
LAN
MAN
WAN
Wireless LAN's and WAN's
All of these
The term Bandwidth refers to
The Method you use to connect to internet
The amount of data that can be downloaded via radio waves
The number of minutes you use while online
The maximum amount of data that can be transferred at any time via an internet connection
A Computer Network is a system of
A whole lot of individual machines working on their own
Data transfer and information storage
Sharing devices like scanners
Two or more computing devices connected to one another
Hardware needed to connect to a computer to the internet is
Internet Explorer
CAT 5 cabling
NIC
Servers
WAT
Which one of the following is a typical example of a web address
c:/computers.za
http:telko@info.uk
http://www.eaglewood.co.za
alex@intellect.co.za
Communication medium transfers data and information between computing devices in a network.communication media include:
Routers
UTP
Fibre optic
Coaxial cable
Wifi
Which of the following statements describes characteristics of the IP protocol?
Operates without a dedicated end-to-end connection and uses best effort in delivering packets.
Detects and retransmits packets if errors occur.
Re-assembles out of order packets into the correct order at the receiver end.
Guarantees delivery of packets to the destination network.
Which logical address is used for delivery of data to a remote network?
destination MAC address
destination IP address
destination port number
source MAC address
What layer of the TCP/IP protocol model determines the best path through the network?
application
transport
internet
network access
What is the purpose of the default gateway address configured on a host?
To allow traffic that is destined for another network to be forwarded to the router for network determination and delivery.
To forward traffic within the same network.
To broadcast messages out to other hosts on the same network.
To connect to the DHCP server.
Which message delivery type is used when all devices need to receive the same message?
static
unicast
multicast
broadcast
What is the term that is used to describe the particular type of information provided at each layer of a networking model?
frame
packet
protocol data unit (PDU)
segment
What type of message is sent to a specific group of hosts?
unicast
multicast
broadcast
static
Which layer of the OSI and TCP/IP models defines services to segment and reassemble data for individual communications between end devices?
application
network
transport
Data Link
Which PDU format is used when bits are received from the network medium by the NIC of a host?
File
Packet
Frame
Segment
Which model is used to describe how data communication occurs between hosts?
Server-centric model
Workgroup model
Peer-to-peer model
OSI reference model
Which type of devices transmit data across a network or to other networks?
Peer to peer networks
Client servers
End devices
Intermediary devices
Which of the following statements accurately describes a client/server network?
Files are store on a server and security is centrally managed.
Files are stored on each client and shared to other clients.
Less scalable than a peer to peer network.
Lower cost than a peer to peer network.
To which group of network components Ethernet, fiber, and wireless belong?
Devices
Services
Media
Interfaces
What is the name that Cisco gives for the creation of global communities of social, commercial, political, and personal interactions over the Internet?
Social networking
The human network
Limitless networks
Supernetting
Which type of network topology identifies all of the networks belonging to an organization?
System topology
Virtual topology
Physical topology
Logical topology
Which type of network infrastructure provides transfers data to users and end devices within a small geographical area such as a college campus?
Wide Area Network (WAN)
Metropolitan Area Network (MAN)
Local Area Network (LAN)
Storage Area Network (SAN)
Which type of network provides a private connection for employees into LANs and WANs that belongs to an organization?
Extranet
Intranet
Borderless network
Border network
Which type of device determines the route that messages should take to deliver to different networks?
Switch
Firewall
Router
Hub
What is the term that defines the speed of a network by measuring how many bits per second of the data the network can deliver?
Lag Time
Delivery Speed
Congestion
Bandwidth
Which of the following network security requirements is used to protect data from being accessed and read by unauthorized users?
Confidentiality
Availability
Integrity
Redundency
Which term describes the state of a network when the demand on the network resources exceeds the available capacity?
Optimization
Congestion
Synchronization
Convergence
Which internet connection type provides always-on, high-bandwidth connectivity?
Dial-Up
Cellular
Satellite
DSL
What network feature would allow an employee to gain secure remote access to a company network?
VPN
BYOD
ACL
IPS
Which method of reliable network construction ensures that as more users and applications increase on a network that performance is not compromised?
Fault Tolerance
Scalability
Security
Quality of Service (QoS)
Which of the following is a benefit of cloud computing?
Investment in new infrastructure is required in order to access the cloud.
Applications can be accessed over the Internet by individual users or businesses using any device, anywhere in the world.
A business can connect directly to the Internet without the use of an ISP.
Devices can connect to the Internet through existing electrical wiring.
Which method of reliable network construction is used to assign priority of audio and video communications to allow uninterrupted service over a network?
Fault Tolerance
Scalability
Quality of Service (QoS)
Security
What is the specialized security software or hardware that protects a network from unauthorized access?
Router
Switch
IPS
Firewall
What is the term for computer programs that attack your computer?
Malware
DangerDroids
RudeBots
Dangerware
Who should know your passwords?
Only you!
Your best friends
Anyone
What is Phishing?
Fishing while talking on the phone.
Fake emails or websites that look like real emails and websites and try to steal your data.
Which of these indicates a website is secure?
You found the website on Google or clicked it from a link in an email.
A little lock icon next to the website address.
The website shows a company name and logo and looks real.
You need to connect a network adapter to a switch. You need the connection to be able to send and receive data at the same time. What type of connection should you use?
Half duplex
Gigabit
Full duplex
Simplex
What type of device sets up different collision domains for each device connected to it, allowing the networked devices to run in Full Duplex without collisions?
Switch
Router
Repeater
Hub
You need to find the MAC address of the network adapter for the computer you are currently working on. What command line command will give you the information you need?
ipconfig
grep
ipconfig/all
arp
You need to set up 750 computers on the same network. Which IP class is the best option?
Class A
Class B
Class C
Class D
You need to subnet a 192.168.10.0 network using a class C network. What will be the subnet mask?
255.0.0.0
255.255.0.0
255.255.255.0
255.255.255.255
Which of the following security threats includes suspicious activity, such as reviewing someone’s screen display without permission?
Malware
Shoulder surfing
Phishing
Password cracking
151: Two companies want to share data by using the Internet. Which type of network provides the solution?
Ethernet
Intranet
Extranet
Perimeter
154: A Media Access Control (MAC) address identifies a/an:
UPnP device.
Local broadcast domain.
Network interface card (NIC).
Local area network (LAN).
Actual speed of a network is limited by 3 factors: ___________ at which the devices on the end of the cable try to send data.
cabling, wave length, and the speed
cabling, cable length, and the transmission
cabling, cable length, and the speed
____________ is how many bits are actually transferred between two computers in a given time.
Bandwidth
Thoroughput
Throughput
Banwidth
_____________ rate may vary over time due to network conditions; _______________ does not vary over time.
Thoroughput, Bandwith
Throughput, Bandwidth
Throughput, Banwidth
Throughput, Bandwith
What is the function of the kernel of an operating system?
The kernel provisions hardware resources to meet software requirements.
The kernel is an application that allows the initial configuration of a Cisco device.
The kernel provides a user interface that allows users to request a specific task.
The kernel links the hardware drivers with the underlying electronics of a computer.
Which connection method is used to access a Cisco 2960 switch when performing an initial configuration?
Use the console port to locally access the switch from the serial or USB interface of the PC.
Use the AUX port to locally access the switch from a serial or USB interface of the PC.
Use Telnet to remotely access the switch through the network..
Use Secure Shell to remotely access the switch through the network.
Which connection method to an intermediary device sends the commands in plain text?
Telnet
Console
SSH
AUX
Which intermediary device connection method encrypts the user ID, password, and session information?
Telnet
AUX
SSH
Console
Which of the following host name is valid on Cisco IOS devices?
Floor(15)
HO Floor 17
RM-3-Switch-2A4
Branch2!
What is the purpose of configuring a Message of the Day (MOTD) in an intermediary device?
To configure a device so that only the users in the Admin group can telnet to it.
To configure a device so that the message will display when a user enters the enable command.
To force users of the Admin group to enter a password for authentication.
To display a message when a user accesses the switch.
Which of the following applications is used to configure an intermediary device when connecting with a console cable?
Telnet Emulation Software
SSH Configuration Software
Remote Configuration Software
Terminal Emulation Software
Which of the following command(s) restricts the user exec access to a Cisco IOS device through a console cable?
Line vty 0 15
password Letmein
login
Line con 0
password Letmein
login
Enable secret password Letmein
Enable private-password Letmein
Which command prevents someone from viewing passwords configured for remote connections within the running configuration?
line con 0
password cisco
login
line vty 0 15
password cisco
login
service password-encryption
enable secret cisco
How many binary bits exist within an IPv6 address?
32
64
128
256
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?
127.0.0.1
224.0.0.1
255.255.255.255
the IP address of the default gateway
How many usable hosts are available given a Class C IP address with the default subnet mask?
252
254
255
256
What technique is used with UTP cable to help protect against signal interference from crosstalk?
Twisting the wires together into pairs.
Terminating the cable with special grounded connectors.
Encasing the cables within a flexible plastic sheath.
Wrapping a foil shield around the wire pairs.
Which statement describes crosstalk?
The distortion of the network signal from fluorescent lighting.
The distortion of the transmitted messages from signals carried in adjacent wires.
The loss of wireless signal over excessive distance from the access point.
The weakening of the network signal over long cable lengths.
Which statement describes throughput?
The measure of the bits transferred across the media over a given period of time.
The measure of the usable data transferred across the media.
The theoretical capacity of a particular medium to carry data.
The total amount of time it takes to get from one device to another.
Which statement describes attenuation?
The loss of wireless signal over excessive distance from the access point.
The distortion of the network signal from fluorescent lighting.
The weakening of the network signal over long cable lengths.
The distortion of the transmitted messages from signals carried in adjacent wires.
Refer to the exhibit. R1 receives a packet destined for the IP address 192.168.2.10. Out which interface will R1 forward the packet?
FastEthernet0/0
FastEthernet0/1
Serial0/0/0
Serial0/0/1
Refer to the exhibit.Which route from the PC1 routing table will be used to reach PC2?
Network destination 0.0.0.0
Network destination 127.0.0.1
Network destination 192.168.10.0
Network destination 192.168.10.10
What type of access control is used for Wireless?
CMSA/Collision Avoidance
CMSA/Collision Detection
CMSA/Media Control
CMSA/Media Access
What is the default subent mask for the Class C network?
255.255.254.0
255.255.252.0
255.255.255.128
255.255.255.0
What are the network address and the broadcast address for a host with the IP Address below?
175. 104. 225. 135 / 27
Network Address: 175.104.225.128
Network Address: 175.104.225.0
Broadcast Address: 175.104.225.159
Broadcast Address: 175.104.225.255
Based on the topology given, how many subnets are needed?
4
3
6
5
Clase A
1 - 126
128 - 191
192 - 223
224 - 239
240 - 254
Clase B
1 - 126
128 - 191
192 - 223
224 - 239
240 - 254
Clase C
1 - 126
128 - 191
192 - 223
224 - 239
240 - 254
Why would a technician enter the command copy startup-config running-config?
To remove all configurations from the switch
to make a changed configuration the startup configuration
to copy the existing configuration into RAM
to save an active configuration into NVRAM
Which is the command to configure a banner to be displayed when connecting to a switch?
banner $ Keep out $
banner motd $ Keep out $
display $ Keep out $
login banner $ Keep out $

To a session contents private when establishing remote CLI connectivity with a switch to manage it. Which access method should be chosen?
Telnet
Console
SSH
AUX
Which command or key combination allows a user to return to the previous level in the command hierarchy?
end
exit
Ctrl-Z
Ctrl-C
Which information does the show startup-config command display?
the IOS image copied into RAM
the bootstrap program in the ROM
the contents of the current running configuration file in the RAM
the contents of the saved configuration file in the NVRAM
How does the service password-encryption command enhance password security on Cisco routers and switches?
It encrypts passwords as they are sent across the network.
It encrypts passwords that are stored in router or switch configuration files.
It requires that a user type encrypted passwords to gain console access to a router or switch.
It requires encrypted passwords to be used when connecting remotely to a router or switch with Telnet.
What is a user trying to determine when issuing a ping 10.1.1.1 command on a PC?
if the TCP/IP stack is functioning on the PC without putting traffic on the wire
if there is connectivity with the destination device
the path that traffic will take to reach the destination
what type of device is at the destination
Which type of access is secured on a Cisco router or switch with the enable secret command?
Virtual terminal
console line
privileged EXEC
AUX port
Which two statements are true regarding the user EXEC mode? (Choose two.)
All router commands are available
Global configuration mode can accessed by entering the enable command
the device prompt for this mode ends with the ">" symbol
interfaces and routing protocols can be configured
Only some aspects of the router configuration can be viewed
When a hostname is configured through the Cisco CLI, which three naming conventions are part of the guidelines? (Choose three.)
The hostname should be written in all lower case characters
The hostname should contain no spaces
the hostname should begin with a letter
the hostname should be fewer than 64 characters in length
the hostname should end with a special character
How is the privileged EXEC mode access secured on a switch?
enable class
secret class
enable secret class
service password-encryption
What is stored in the NVRAM of a Cisco router?
the Cisco IOS
the running configuration
the bootup instructions
the startup configuration
stands for name server lookup command, is a network utility command used to obtain information about internet servers.
ipv4
ipconfig
nslookup
ipv6
is a Command Prompt which is used to get the network packet being sent and received and the number of hops required for that packet to reach to target.
ping
ipconfig
tracert
nslookup
is a program that emulates the input field in a text-based user interface screen with the Windows graphical user interface (GUI).
IPCONFIG
ping
command prompt
DOS
All computers that are connected to a network and participate directly in network communication are classified as...Pick 2
Hosts
Clients
Servers
Routers
This number identifies the host within a particular network.
MAC Address
Local Address
IP Address
Subnet Mask
An example of client software
Browser
File
All of the Above
Client and server software usually run on separate computers, but it is also possible for one computer to be used for both roles at the same time. What is this relationship called...
Pair to Pair
Pear to Pear
PC to PC
Peer to Peer
What type of network is used in the diagram?
LAN
client/server
peer to peer
PAN
Identify the image shown
Router
Hub
Switch
192.168.10.3 is an example of..
Subnet mask
IP address
Gateway
Modern networks primarily use three types...What type uses Electrical pulses...
Copper
Fiber
Wireless
a small hardware device that joins multiple computers together within one local area network (LAN).
Network Switch
Network Hub
Router
What does DNS mean?
Dinosaur!
Domain Name System
Domain Not Safe
Driver Not Secured
Which type of address are exposed to the Internet?
Public
Private
Refer to the exhibit. A network administrator is configuring access control to switch SW1. If the administrator uses a console connection to connect to the switch, which password is needed to access user EXEC mode?
letmein
secretin
lineconin
linevtyin
a networking device whose software and hardware are usually tailored to the tasks of routing and forwarding information.
Router
Modem
Hub
Spaceship
What does HTTPS stand for?
Hyper Transfer Text Protocol Secure
Hippo Tick Tests Perfectly Synchronized
Hyper Text Transfer Protocol Secure
Hyper Text Transfer Prototype Secure
The data link layer takes the packets from _________ and encapsulates them into frames for transmission.
network layer
physical layer
transport layer
application layer
Which sublayer of the data link layer performs data link functions that depend upon the type of medium?
logical link control sublayer
media access control (MAC) sublayer
network interface control sublayer
error control sublayer
In CSMA/CD, it deals with
detection of collision after collision has occurred,
preventing collision
Which of the following devices resides at the data link layer of the OSI model?
Router
Passive hub
Ethernet switch
Repeater
OSI stands for __________
a) operating system interface
b) open system interconnection
c) optical service implementation
d) open service Internet
A network administrator is troubleshooting connectivity issues on a server. Using a tester, the administrator notices that the signals generated by the server NIC are distorted and not usable. In which layer of the OSI model is the error categorized?
physical layer
presentation layer
data link layer
network layer
Why are two strands of fiber used for a single fiber optic connection?
the two strands allow the data to travel for longer distances without degrading
they prevent crosstalk from causing interference on the connection
the allow for full-duplex connectivity
they increase the speed at which the data can travel
What is one advantage of using fiber optic cabling rather than copper cabling?
it is easier to terminate and install than copper cabling
it is able to be installed around sharp bends
it is able to carry signals much farther than copper cabling
it is usually cheaper than copper cabling
Which type of UTP cable is used to connect a PC to a switch port?
rollover
console
crossover
strait-through
What is the purpose of the OSI physical layer?
preforming error detection on received frames
transmitting bits across the local media
controlling access to the media
exchanging frames between nodes over physical network media
What is the purpose of the OSI physical layer?
Controlling access to media.
Transmitting bits across the local media.
Exchanging frames between nodes over physical network media.
Performing error detection on received frames.
Which statement correctly describes network latency?
The measure of the bits transferred across the media over a given period of time.
The measure of the usable data transferred across the media.
The capacity of a particular medium to carry data.
The total amount of time it takes to get from one device to another.
Which of the following is the widely used medium for networking due to relatively low cost, ease of use, and fast networking speeds?
Unshielded Twisted-Pair (UTP)
Fiber-optic
Coaxial Cable
Wireless
The word MODEM stands for
(a)
Data is transmitted on copper cables as _________________.
electrical pulses
microwaves
patterns of light
sound waves
Category 5 UTP cable supports data transmission rates of up to _________.
10 Mbps
100 Mbps
1 Gbps
10 Gbps
The figure illustrates an RJ-45 UTP __________.
plug
socket
mediator
compositor
What is the correct order of the odd-numbered pinouts for the T568A standard?
What is the correct order of the odd-numbered pinouts for the T568B standard?
Which two statements are true regarding the user EXEC mode? (Choose two.)
All router commands are available
Global configuration mode can accessed by entering the enable command
the device prompt for this mode ends with the ">" symbol
interfaces and routing protocols can be configured
Only some aspects of the router configuration can be viewed
Which is the command to configure a banner to be displayed when connecting to a switch?
banner $ Keep out $
banner motd $ Keep out $
display $ Keep out $
login banner $ Keep out $
What command is issued to configure an encrypted password to access privileged mode?
enable password encrypt [password]
service password-encrypt
service encrypt password [password]
enable secret [password]
To what subnet does the IP address 10.1.100.50 belong if a subnet mask of 255.255.0.0 is used?
10.1.100.0
10.1.100.32
10.0.0.0
10.1.0.0
When a hostname is configured through the Cisco CLI, which three naming conventions are part of the guidelines? (Choose three.)
The hostname should be written in all lower case characters
The hostname should contain no spaces
the hostname should begin with a letter
the hostname should be fewer than 64 characters in length
the hostname should end with a special character
An administrator is configuring a new router to permit out-of-band management access. Which set of commands will allow the required login using a password of cisco?
Router(config)# line console 0
Router(config-line)# password cisco
Router(config-line)# exit
Router(config)# service password-encryption
Router(config)# line vty 0 4
Router(config-line)# password manage
Router(config-line)# exit
Router(config)# enable password cisco
Router(config)# line console 0
Router(config-line)# password cisco
Router(config-line)# login
Router(config)# line vty 0 4
Router(config-line)# password cisco
Router(config-line)# login
