Q. Which IPv6 address type is used for multicast communication?
A.
Global unicast address
B.
Link-local address
C.
Multicast address
D.
Anycast address
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Solution
Multicast addresses in IPv6 are specifically designed for one-to-many communication, allowing a single packet to be sent to multiple destinations.
Correct Answer:
C
— Multicast address
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Q. Which layer of the OSI model does IP operate at?
A.
Application Layer
B.
Transport Layer
C.
Network Layer
D.
Data Link Layer
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Solution
IP (Internet Protocol) operates at the Network Layer (Layer 3) of the OSI model.
Correct Answer:
C
— Network Layer
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Q. Which layer of the OSI model does IP routing operate at?
A.
Application layer
B.
Transport layer
C.
Network layer
D.
Data link layer
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Solution
IP routing operates at the Network layer of the OSI model.
Correct Answer:
C
— Network layer
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Q. Which layer of the OSI model does the IP protocol operate at?
A.
Application Layer
B.
Transport Layer
C.
Network Layer
D.
Physical Layer
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Solution
The IP protocol operates at the Network Layer of the OSI model, handling logical addressing and routing.
Correct Answer:
C
— Network Layer
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Q. Which layer of the OSI model does the Spanning Tree Protocol operate at?
A.
Data Link Layer
B.
Network Layer
C.
Transport Layer
D.
Application Layer
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Solution
STP operates at the Data Link Layer (Layer 2) of the OSI model.
Correct Answer:
A
— Data Link Layer
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Q. Which layer of the OSI model handles the physical connection between devices?
A.
Application Layer
B.
Transport Layer
C.
Network Layer
D.
Physical Layer
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Solution
The Physical Layer (Layer 1) handles the physical connection between devices, including cables and signaling.
Correct Answer:
D
— Physical Layer
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Q. Which layer of the OSI model is primarily responsible for data encryption and decryption?
A.
Application Layer
B.
Presentation Layer
C.
Session Layer
D.
Transport Layer
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Solution
The Presentation Layer is responsible for data format translation, encryption, and decryption.
Correct Answer:
B
— Presentation Layer
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Q. Which layer of the TCP/IP model corresponds to the OSI model's Data Link layer?
A.
Application layer
B.
Transport layer
C.
Internet layer
D.
Network interface layer
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Solution
The Network interface layer of the TCP/IP model corresponds to the Data Link layer of the OSI model.
Correct Answer:
D
— Network interface layer
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Q. Which layer of the TCP/IP model is responsible for end-to-end communication and error recovery?
A.
Application Layer
B.
Transport Layer
C.
Internet Layer
D.
Network Access Layer
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Solution
The Transport Layer is responsible for end-to-end communication and error recovery.
Correct Answer:
B
— Transport Layer
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Q. Which layer of the TCP/IP model is responsible for end-to-end communication?
A.
Application layer
B.
Transport layer
C.
Internet layer
D.
Network interface layer
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Solution
The Transport layer is responsible for end-to-end communication, ensuring data is delivered accurately and in order.
Correct Answer:
B
— Transport layer
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Q. Which of the following IP addresses belongs to the subnet 10.0.0.0/8?
A.
10.1.1.1
B.
192.168.1.1
C.
172.16.0.1
D.
10.255.255.255
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Solution
Both 10.1.1.1 and 10.255.255.255 belong to the 10.0.0.0/8 subnet, as they fall within the range defined by that subnet.
Correct Answer:
A
— 10.1.1.1
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Q. Which of the following is a benefit of using IPv6 over IPv4?
A.
Reduced packet size
B.
Improved routing efficiency
C.
Increased security through mandatory IPsec
D.
Lower latency
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Solution
IPv6 includes mandatory support for IPsec, which enhances security compared to IPv4.
Correct Answer:
C
— Increased security through mandatory IPsec
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Q. Which of the following is a characteristic of a peer-to-peer network?
A.
Centralized control
B.
Scalability
C.
Decentralized control
D.
High cost
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Solution
A peer-to-peer network is characterized by decentralized control, where each device can act as both a client and a server.
Correct Answer:
C
— Decentralized control
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Q. Which of the following is a characteristic of a router?
A.
Operates at the Data Link Layer
B.
Forwards data based on MAC addresses
C.
Connects different networks
D.
Uses circuit switching
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Solution
A router connects different networks and forwards data based on IP addresses, operating at the Network Layer.
Correct Answer:
C
— Connects different networks
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Q. Which of the following is a characteristic of a switch?
A.
Operates at the Network Layer
B.
Forwards data based on MAC addresses
C.
Connects different networks
D.
Provides IP addressing
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Solution
A switch operates at the Data Link Layer (Layer 2) and forwards data based on MAC addresses.
Correct Answer:
B
— Forwards data based on MAC addresses
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Q. Which of the following is a characteristic of a trunk port?
A.
Carries traffic for a single VLAN
B.
Is used to connect end devices
C.
Carries traffic for multiple VLANs
D.
Is always configured as access mode
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Solution
A trunk port carries traffic for multiple VLANs, allowing switches to communicate VLAN information across the network.
Correct Answer:
C
— Carries traffic for multiple VLANs
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Q. Which of the following is a characteristic of OSPF?
A.
Uses hop count as a metric
B.
Supports VLSM and CIDR
C.
Is a distance vector protocol
D.
Sends updates every 30 seconds
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Solution
OSPF (Open Shortest Path First) supports Variable Length Subnet Masking (VLSM) and Classless Inter-Domain Routing (CIDR), allowing for more efficient IP address usage.
Correct Answer:
B
— Supports VLSM and CIDR
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Q. Which of the following is a characteristic of static routing?
A.
Automatically adjusts to network changes
B.
Requires manual configuration
C.
Uses routing protocols to find paths
D.
Is less secure than dynamic routing
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Solution
Static routing requires manual configuration and does not automatically adjust to network changes.
Correct Answer:
B
— Requires manual configuration
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Q. Which of the following is a characteristic of the Internet Protocol (IP)?
A.
It provides error recovery
B.
It is connection-oriented
C.
It routes packets across networks
D.
It encrypts data
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Solution
The Internet Protocol (IP) is responsible for routing packets across networks, but it does not provide error recovery or encryption.
Correct Answer:
C
— It routes packets across networks
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Q. Which of the following is a characteristic of UDP?
A.
Connection-oriented
B.
Reliable delivery
C.
Low latency
D.
Error correction
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Solution
UDP (User Datagram Protocol) is connectionless and offers low latency, making it suitable for applications like streaming.
Correct Answer:
C
— Low latency
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Q. Which of the following is a characteristic of VLANs?
A.
They require a dedicated physical switch
B.
They can span multiple switches
C.
They operate only at Layer 1 of the OSI model
D.
They are limited to 10 devices
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Solution
VLANs can span multiple switches, allowing devices on different physical switches to communicate as if they are on the same local network.
Correct Answer:
B
— They can span multiple switches
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Q. Which of the following is a characteristic of WAN transmission media?
A.
High bandwidth and low latency
B.
Limited distance and high cost
C.
Long distance and variable bandwidth
D.
Only wired connections
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Solution
WAN transmission media are characterized by long distances and variable bandwidth, accommodating large geographical areas.
Correct Answer:
C
— Long distance and variable bandwidth
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Q. Which of the following is a classful IP address?
A.
192.168.1.1
B.
10.0.0.1
C.
172.16.0.1
D.
All of the above
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Solution
All of the provided IP addresses are classful addresses, belonging to different classes (A, B, C).
Correct Answer:
D
— All of the above
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Q. Which of the following is a common dynamic routing protocol?
A.
RIP
B.
HTTP
C.
FTP
D.
Telnet
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Solution
RIP (Routing Information Protocol) is a common dynamic routing protocol used to facilitate automatic route updates.
Correct Answer:
A
— RIP
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Q. Which of the following is a common frequency band used by Wi-Fi networks?
A.
2.4 GHz
B.
5.0 GHz
C.
Both 2.4 GHz and 5.0 GHz
D.
1.2 GHz
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Solution
Wi-Fi networks commonly operate on both the 2.4 GHz and 5.0 GHz frequency bands, allowing for flexibility in range and speed.
Correct Answer:
C
— Both 2.4 GHz and 5.0 GHz
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Q. Which of the following is a common method for securing wireless networks?
A.
WEP
B.
HTTP
C.
FTP
D.
SMTP
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Solution
WEP (Wired Equivalent Privacy) is a security protocol designed to provide a wireless local area network (WLAN) with a level of security and privacy comparable to what is usually expected of a wired LAN.
Correct Answer:
A
— WEP
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Q. Which of the following is a common method of error control in data transmission?
A.
Checksum
B.
Compression
C.
Encryption
D.
Segmentation
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Solution
Checksum is a common method of error control used to detect errors in data transmission.
Correct Answer:
A
— Checksum
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Q. Which of the following is a common method of securing wireless networks?
A.
WEP
B.
FTP
C.
HTTP
D.
SMTP
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Solution
WEP (Wired Equivalent Privacy) is a security protocol for wireless networks, although it is considered weak by modern standards.
Correct Answer:
A
— WEP
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Q. Which of the following is a common security protocol used in wireless networks?
A.
WEP
B.
SMTP
C.
IPSec
D.
FTP
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Solution
WEP (Wired Equivalent Privacy) is a security protocol that was commonly used to secure wireless networks, although it is now considered insecure.
Correct Answer:
A
— WEP
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Q. Which of the following is a common variant of the Spanning Tree Protocol?
A.
Rapid Spanning Tree Protocol (RSTP)
B.
Enhanced Spanning Tree Protocol (ESTP)
C.
Dynamic Spanning Tree Protocol (DSTP)
D.
Static Spanning Tree Protocol (SSTP)
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Solution
Rapid Spanning Tree Protocol (RSTP) is a common variant that provides faster convergence than STP.
Correct Answer:
A
— Rapid Spanning Tree Protocol (RSTP)
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