Routing and Switching MCQs with Answers
Practice important Routing and Switching MCQs with answers and explanations.
Chapter: 157
Q1801:
Fill in the blank: The Spanning Tree Protocol (STP) is used to manage _______ in Layer 2 networks.
A. routing loops
B. IP address conflicts
C. Layer 2 redundancy
D. network security
Correct Answer:
C
Chapter: 157
Q1802:
What issue can arise from Layer 1 redundancy without proper loop management?
A. IP address conflict
B. MAC database instability
C. Network segmentation
D. Data encryption failure
Correct Answer:
B
Chapter: 157
Q1803:
Fill in the blank: A broadcast storm occurs when _______ are caught in a Layer 2 loop.
A. unicast frames
B. multicast frames
C. broadcast frames
D. control frames
Correct Answer:
C
Chapter: 157
Q1804:
What is a broadcast storm?
A. A condition where all available bandwidth is consumed by broadcast frames
B. A security breach caused by unauthorized access
C. An error in routing protocols
D. A failure in network devices
Correct Answer:
A
Chapter: 157
Q1805:
Fill in the blank: Broadcast storms can develop quickly due to the presence of _______ in a network.
A. ARP requests
B. DNS queries
C. TCP connections
D. FTP transfers
Correct Answer:
A
Chapter: 157
Q1806:
What is a common consequence of a Layer 2 loop in a network?
A. Loss of IP addresses
B. Increased data encryption
C. Duplicate frame transmissions
D. Improved routing efficiency
Correct Answer:
C
Chapter: 157
Q1807:
Fill in the blank: STP (Spanning Tree Protocol) was developed to address issues such as _______.
A. IP address assignment
B. Layer 2 loops
C. Data packet encryption
D. Bandwidth allocation
Correct Answer:
B
Chapter: 157
Q1808:
What type of frame transmission is affected by Layer 2 loops?
A. Only multicast frames
B. Only unicast frames
C. Both unicast and broadcast frames
D. Only broadcast frames
Correct Answer:
C
Chapter: 157
Q1809:
Fill in the blank: STP is enabled by default on Cisco switches to prevent _______.
A. Layer 2 loops
B. routing loops
C. network congestion
D. IP address conflicts
Correct Answer:
A
Chapter: 157
Q1810:
What does MAC database instability result from?
A. Excessive IP routing
B. Continuous propagation of broadcast frames
C. High encryption standards
D. Increased network segmentation
Correct Answer:
B
Chapter: 158
Q1811:
What does STP stand for in networking?
A. Spanning Tree Protocol
B. Static Tree Protocol
C. Spanning Transfer Protocol
D. Static Transfer Protocol
Correct Answer:
A
Chapter: 158
Q1812:
Fill in the blank: STP ensures only one logical path between all destinations on the network by _______ redundant paths.
A. enabling
B. blocking
C. prioritizing
D. duplicating
Correct Answer:
B
Chapter: 158
Q1813:
What is a consequence of having loops and duplicate frames in a switched network?
A. Improved network speed
B. Network congestion
C. Increased security
D. Reduced redundancy
Correct Answer:
B
Chapter: 158
Q1814:
Fill in the blank: STP recalculates paths and unblocks necessary ports when a _______ occurs.
A. device upgrade
B. network cable failure
C. firmware update
D. security breach
Correct Answer:
B
Chapter: 158
Q1815:
What is the role of bridge protocol data units (BPDU) in STP?
A. To carry user data
B. To prevent loops
C. To enhance security
D. To increase network speed
Correct Answer:
B
Chapter: 158
Q1816:
Fill in the blank: The term "STP" in the IEEE-802-1D-2004 documentation refers to the _______ implementation of spanning tree.
A. original 802.1D
B. Rapid Spanning Tree Protocol
C. Multiple Spanning Tree Protocol
D. latest 802.1Q
Correct Answer:
A
Chapter: 158
Q1817:
Fill in the blank: When STP is enabled, redundant paths are _______ to prevent network loops.
A. activated
B. blocked
C. prioritized
D. duplicated
Correct Answer:
B
Chapter: 158
Q1818:
What happens to a port set to a blocking state in STP?
A. It forwards user data
B. It prevents user data from entering or leaving
C. It automatically reconfigures
D. It increases bandwidth
Correct Answer:
B
Chapter: 158
Q1819:
Fill in the blank: The latest IEEE standard for spanning tree is the _______ protocol.
A. STP
B. RSTP
C. MSTP
D. 802.1Q
Correct Answer:
B
Chapter: 158
Q1820:
What does the term "original 802.1D spanning tree" refer to?
A. The latest spanning tree standard
B. The initial STP implementation
C. The Rapid Spanning Tree Protocol
D. The Multiple Spanning Tree Protocol
Correct Answer:
B