30 Questions
What is a major advantage of copper cabling?
Inexpensive
What is a limitation of copper cabling due to the length of the electrical signal?
Attenuation
What is used to mitigate electromagnetic interference and radio frequency interference in some copper cables?
Metallic shielding
What is the primary function of the outer jacket in Unshielded Twisted-Pair (UTP) cabling?
To protect the copper wires from physical damage
What is a key characteristic of Shielded Twisted Pair (STP) cabling compared to Unshielded Twisted-Pair (UTP) cabling?
It has better noise protection
What is the primary use of Unshielded Twisted-Pair (UTP) cabling?
To interconnect hosts with intermediary network devices
What is the purpose of the three-way handshake in TCP?
To verify the destination device's presence and service availability
What flag is used in connection establishment and session termination?
ACK
What happens when the server sends a FIN to the client?
The client responds with an ACK
What is the purpose of the SYN flag in TCP?
To synchronize sequence numbers in connection establishment
What is a key feature of TCP's reliability?
Guaranteed and ordered delivery
What flag is used to indicate that no more data will be sent?
FIN
What is the primary purpose of the Collision Detection Process in CSMA/CD?
To detect and handle signal collisions
What is the main difference between CSMA/CD and CSMA/CA?
CSMA/CD uses collision detection, while CSMA/CA uses collision avoidance
What is the function of the header in a data link frame?
It contains the physical address of the destination device
How do devices in a CSMA/CA network avoid collisions?
By including the time duration needed for the transmission
What is the primary function of a switch in a LAN?
To learn which MAC addresses are connected to each port
What is the term for the address used in the frame header?
Physical address
What is the primary purpose of a Link-local Address (LLA) in an IPv6-enabled device?
To communicate with other devices on the same local link
What is the function of the Global Routing Prefix in an IPv6 Global Unicast Address?
It is assigned by the provider and is the prefix or network portion of the address
What is the purpose of the Router Advertisement (RA) message in IPv6?
To inform hosts on how to obtain an IPv6 GUA
What is the command to configure an IPv6 Global Unicast Address on an interface?
ipv6 address prefix-length
What is the difference between a Global Unicast Address (GUA) and a Link-local Address (LLA) in IPv6?
A GUA is globally unique and routable, while an LLA is not routable and confined to a single link
What is the purpose of the Router Solicitation (RS) message in IPv6?
To solicit IPv6 routers from host devices
What type of devices are considered end-user devices in an IP addressing scheme?
Computers and mobile phones
What is the main benefit of redundancy in a small network?
To eliminate single points of failure
What is the purpose of priority queuing in a small network?
To prioritize real-time traffic, such as voice and video
What type of software programs or processes provide access to the network?
Network Applications and Application Layer Services
What is the function of network protocols in a small network?
To support the applications and services used by employees
What is the purpose of quality of service (QoS) in a small network?
To prioritize network traffic
Learn about the benefits and drawbacks of copper cabling, including its affordability, ease of installation, and low resistance. Understand the limitations, such as signal attenuation, electromagnetic interference, and crosstalk, and how to mitigate them.
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