WorksheetsITS Networking Domain 2 Network Infrastructures Review
Total questions: 50
Worksheet time: 25mins
Ethernet running at 1 Gbps is known as __________ Ethernet.
Gigabit
Fast
Standard
Mega
For any network connection, the speed is only as high as the __________ device connected.
Slowest
Fastest
Newest
Oldest
A layer 3 switch has both switching and __________ capabilities.
Routing
Bridging
Repeating
Filtering
Backplane speed is the total __________ a switch is capable of at any given time.
Bandwidth
Latency
Voltage
Frequency
In Hyper-V, virtual switches can have external, internal, and __________ connections.
Private
Public
Isolated
Shared
In dynamic routing, routing __________ are formed and updated as routers enter and exit a network infrastructure.
Tables
Protocols
Addresses
Packets
RIP uses __________ to determine the best route for data packets.
Hop count
Bandwidth
Latency
Cost
The IPv4 address for a default route is __________.
0.0.0.0
255.255.255.255
192.168.1.1
127.0.0.1
Routing tables use __________ within a router for storage.
Memory
CPU
Hard Disk
Power Supply
What is the maximum distance most twisted-pair cables can carry signals?
100 meters
200 meters
300 meters
400 meters
A switch port shows a yellow LED light when a cable is connected to it. What does this most likely indicate?
The port is inactive
The port is active
The port is malfunctioning
The port is in standby mode
What is the difference between a managed switch and an unmanaged switch?
Managed switches can be configured, while unmanaged switches cannot.
Unmanaged switches are faster than managed switches.
Managed switches are cheaper than unmanaged switches.
Unmanaged switches support VLANs, while managed switches do not.
You have a single switch but need for the switch to host two networks. What can you create on the switch?
VLAN
Subnet
Firewall
Router
What does a hub not store that a switch stores?
MAC addresses
IP addresses
Data packets
Network protocols
TRUE or FALSE. A broadcast storm is a type of loop in which broadcasts flood through a switch, eventually overloading it.
True
False
At what speed will data transfer out of Fast Ethernet ports on a wireless router?
10 Mbps
100 Mbps
1 Gbps
10 Gbps
A route with one hop is called a:
Static route
Dynamic route
Directly connected route
Indirect route
What is a default route in a routing table?
The route with the highest priority
The route used when no other route matches
The route with the lowest cost
The route with the shortest path
How many physical networks should an administrator create for a university campus with several buildings including a registrar’s office, health center, library, auditorium, and student hall?
Two
Three
Four
Five
What resumes once convergence has been completed?
Network shutdown
Normal traffic flow
Router replacement
Network reconfiguration
Which fiber optic cable mode carries one ray of light over long distances?
Single-mode
Multi-mode
Dual-mode
Triple-mode
What color is the wire connected to Pin 1 in the 568b standard?
White/orange
White/green
White/blue
White/brown
What is the color of the wire connected to Pin 5 in the 568b standard?
White/orange
White/green
White/blue
White/brown
Which pin is connected to a blue wire in both 568a and 568b standards?
Pin 1
Pin 2
Pin 4
Pin 6
Which pin is connected to a brown wire in both 568a and 568b standards?
Pin 1
Pin 2
Pin 8
Pin 6
A signal on one pair of wires in a twisted-pair cable is interfering with another wire in the same cable. What is taking place?
Crosstalk
Reflection
Attenuation
Refraction
In which network topology is data transmission token-based?
Mesh
Bus
Star
Ring
Which of these IP addresses are public?
10.1.1.1
192.168.16.1
192.200.1.1
172.16.1.1
Which IP address can an administrator ping to test a network card on a device?
169.254.0.1
10.0.0.1
192.168.0.1
127.0.0.1
Which IP address is an example of APIPA?
255.255.255.240
172.22.126.33
255.244.0.0
169.254.0.1
To what are wireless LANs more susceptible than wired LANs?
equipment failure
crosstalk
signal interference
EMI
Which best describes the type of connection generated from a leased line?
Dedicated
Private
Public
Intermittent
Which is the top advertised speed for a dial-up connection?
38 Kbps
56 Kbps
128 Kbps
64 Kbps
How many 64 Kbps channels are used for a basic ISDN?
2
23
4
24
On what circuit does a PRI run?
T1
T3
E1
E3
Which form of wireless encryption is considered weak, as it has been cracked?
WPA2
WPA
WEP
WPS
How many connections are in a full mesh network with four devices?
3
4
8
6
The topology in which a switch usually serves as a central point:
ring
mesh
star
bus
The topology in which network connections provide redundancy
ring
mesh
star
bus
The topology in which only one device can transmit at a time
ring
mesh
star
bus
The topology that must have terminators on both ends
ring
mesh
star
bus
A __________ topology describes how data flows through a network, while a __________ topology is the actual appearance and setup of a network.
logical, logical
physical, logical
physical, physical
logical, physical
A network is set up with a central device but only one token transmits at a time. The network is a _________ star and a ___________ ring.
physical, logical
logical, physical
logical, logical
physical, physical
Which IPsec protocol involves generating authentication and encryption keys.
SA
AH
ESP
Which IPsec protocol provides authentication and integrity of data?
SA
AH
ESP
Which IPsec protocol provides authentication, integrity, and encryption of data?
SA
AH
ESP
Which form of DSL has a much higher download speed than upload speed?
SDSL
HDSL
ADSL
VDSL
Which is true about an Internet service using DSL and a cable modem?
Both use dedicated lines
Cable uses dedicated lines while DSL uses shared bandwidth
Both use shared bandwidth
Cable uses shared bandwidth while DSL uses dedicated lines
What is the biggest issue with satellite internet?
availability
speed
connectivity
latency
Which form of wireless encryption is considered weak, as it has been cracked?
WPA2
WPA
WEP
WPS
