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WorksheetsITN7 - 25-26 Midterm Exam
Total questions: 60
Worksheet time: 31mins
Which type of topology shows you the ports and addressing scheme of devices?
physical
logical
practical
location
Which type of device connects other devices together?
intermediary device
end device
client
server
When ensuring that the data has not been altered during transmission we are referring to what goal of network security?
Confidentiality
Integrity
Availability
Authentication
When a secret agent sends a coded message to the headquarters, ensuring only the headquarters can read the message refers to which goal of network security?
Confidentiality
Integrity
Availability
Authentication
Which network architecture characteristic limits the impact of a failure by limiting the number of devices affected?
Fault Tolerance
Scalability
Quality of Service
Security
When in privileged Exec mode, what mode is one level lower?
user Exec
global configuration
line configuration
interface configuration
You are a network administrator and you have just logged into a Cisco router named S1. What would the prompt look like if you are in privileged Exec mode?
The prompt would look like S1>
The prompt would look like S1#
The prompt would look like S1(config)#
The prompt would look like S1(config-if)#
Imagine you're working on a Cisco switch and you want to use a command you entered previously. Which key would you press to retrieve that command?
up arrow
tab
right arrow
space
Which code encrypts your plaintext passwords?
service password-encryption
encrypt password all
secure password
password-secure encryption
What does this code accomplish?
SVI configuration
prevents the switch from shutting down
makes the switch the default gateway
allows the switch to route the 192.168.1.0 network
William is setting up a home network and he is curious about the Protocol Data Unit (PDU) for the network layer. Can you help him understand what it is?
segment
packet
frame
data
bits
Charlotte is sending an email to Kai. At which layer does her computer add the source IP address?
transport
data link
network
physical
Evelyn is sending an email to Arjun. Before the email can be transmitted over the internet, it needs to be converted into a form that the system can understand. What is this process called?
encoding
protocol
flow control
unicast
Abigail sends a message from her device to all other devices in her network, including Noah and Benjamin. This is an example of ________________ delivery.
unicast
multicast
broadcast
supercast
Which protocols operate on the TCP/IP Application Layer? (Choose Three)
HTTP
DHCP
FTP
TCP
IPv4
Grace, Evelyn, and David are studying for their networking exam. They are trying to remember the correct order of the OSI Model from top down. Can you help them?
Application, Presentation, Session, Transport, Network, Data Link, Physical
Presentation, Application, Session, Transport, Network, Data Link, Physical
Application, Presentation, Transport, Session, Network, Data Link, Physical
Presentation, Application, Transport, Session, Network, Data Link, Physical
Application, Presentation, Network, Session, Transport, Data Link, Physical
What is the IEEE standard for wireless LAN technology?
802.11
802.15
802.1
802.16
What type of connector is used with UTP cable?
RJ-45
Straight Tip
Lucent
Subscriber
Which physical medium uses light waves to transmit data?
copper cable
fiber-optic cable
wireless
unladen swallow
What is the term for the capacity at which a medium can carry data?
bandwidth
throughput
goodput
IEEE
What are two factors of interference for UTP cable? (Choose two)
crosstalk
electromagnetic interference
signal modulation interference
bandwidth
radio attenuation injection
In order to prevent the magnetic field that is created around wires from causing crosstalk, what is done with the wire?
Different rate of twist for each pair
Shielding around all of the pairs
Grounding one side of the wire
Nothing can be done, use fiber
What is the delay of traffic across a network called?
latency
bandwidth
throughput
goodput
Maya, Jackson, and Michael are setting up a network for their new startup. They want a WAN topology that provides high availability by ensuring every system in their network can connect with every other system. Which topology should they use?
Point-to Point
Hub and Spoke
Mesh
Partial Mesh
Where is error detection located in the data link frame?
Header
Data
Trailer
No error detection is possible
Rohan, Liam, and Noah are working on a networking project. They notice that if an Ethernet frame they receive is less than 64 Bytes, something happens. What is it?
The frame is discarded
The frame is sent back to the source
The error correction increases the frame size to 64 Bytes
The frame is processed as usual
Oliver, Avery, and Rohan are in a networking class. They are learning about MAC addresses. If a data frame is leaving Avery's computer (PC-B) and heading towards Oliver's computer (PC-A), what would be the destination MAC address?
BB:BB:BB:BB:BB:BB
AA:AA:AA:AA:AA:AA
CC:CC:CC:CC:CC:CC
DD:DD:DD:DD:DD:DD
Kai, Isla, and Elijah are working on a networking project. They are discussing frame forwarding methods. Elijah asks, 'Which frame forwarding method performs a CRC check to detect errors before forwarding the frame?'
cut-through
store-and-forward
fragment-free
fast-forward
Aria is working on a networking project and needs to understand the purpose of the FCS field in a frame. What does the FCS field do?
to obtain the MAC address of the sending node
to verify the logical address of the sending node
to compute the CRC header for the data field
to determine if errors occurred in the transmission and reception
What two items does a switch look at when a packet first arrives?
Source MAC address
Destination MAC address
Incoming port
Destination port
What will a switch do with a frame when the frame's destination MAC is NOT in the MAC address table?
Update the MAC address table with the new destination.
Forward the frame out all ports except the one it arrived on.
Forward the frame out the specified port.
Change the destination IP address.
What field in the IPv4 header is used to ensure VOIP traffic does not experience latency?
Version
DiffServ
TTL
Protocol
What field in the IPv4 header keeps the packets from traversing the network endlessly?
Version
DiffServ
TTL
Protocol
IPv6 has a very large number of public addresses compared to IPv4 . What improvement does this provide?
Increased address length
Improved packet handling
Eliminates the need for NAT
Smaller address length
In order to send inter-network communications, a host requires a _______________?
Default Gateway
Remote Gateway
Preferred Gateway
NAT Gateway
What two ways can a host receive addressing information?
DHCP
DNS
Static
Stationary
NAT
Routing is a Layer ______ function.
3
2
4
1
Routers use the ______________ to determine the best route.
lowest metric
shortest distance
longest path
longest match
A static route will have which letter as its source code in the routing table?
L
C
S
O
A directly connected local interface IP address will have which letter as its source code in the routing table?
L
C
S
O
What number system is used for IPv6 addressing?
(a)
What process does IPv4 use to associate an IP address to the MAC address on each link along the path to the destination?
ARP
MAC
DHCP
DNS
What is the destination MAC address for an ARP request?
FF:FF:FF:FF:FF:FF
255.255.255.255
AA:AA:AA:AA:AA:AA
127.0.0.1
Which device will answer an ARP request?
The one that matches the target IP address.
The one with the correct MAC address.
The one that matches the source IP address.
The one that can process the ARP request.
What happens when a MAC address is needed for a device that is not on the same network?
It uses the IP address instead.
It uses the MAC address of the default gateway.
It doesn't create a layer 2 frame since the traffic will be routed through a layer 3 device.
MAC addresses are not used to communicate to different networks so it is not needed.
What is the command to display the ARP table on a Cisco router?
show ip arp
show arp
arp -a
show arp -a
What is the command to display the ARP table on a Windows 10 PC?
arp -a
arp -d
show ip arp
show arp
What does IPv6 use that is similar to ARP requests?
neighbor discovery
neighbor direction
neighbor dictation
neighbor directory
What does this line of code secure? Router (Config-line)#password class
Console
Privileged Exec
Line Configuration
Global Configuration
Where is the startup config stored?
NVRAM
RAM
ROM
flash
Which command will show all interfaces, their IP addresses, and their current status?
show ip interface brief
show interfaces
show ip route
show connections
Which command will show all interfaces, their IP addresses, and their current status?
show ip interface brief
show interfaces
show ip route
show ip interfaces
Which command will show the information contained in the routing table?
show ip interface brief
show interfaces
show ip route
show ip interfaces
At which prompt would you enter this command?
enable
R1(config)#
R1>
R1#
R1(config-line)#
R1(config-if)#
At which prompt would you enter this command?
show ip route
R1(config)#
R1>
R1#
R1(config-line)#
R1(config-if)#
What should PC-B's default gateway address be?
172.168.10.65
172.168.10.129
172.168.10.130
172.168.11.65
172.168.10.99
