NT 201 Network Infrastructure Administration MIDTERM READINESS EXAM Q & S 2026/2027

NT 201
Network Infrastructure
Administration
MIDTERM READINESS EXAM
Q & S
©2026/2027
1. Which of the following protocols is commonly used for
sending error messages and operational information
indicating the status of a network?
 a) TCP
 b) ICMP
 c) UDP
 d) HTTP
 Answer: b) ICMP
 Rationale: ICMP (Internet Control Message Protocol) is
used for error messages and operational information such
as network connectivity.
2. In a large enterprise network, which topology
configuration offers the highest level of redundancy and
fault tolerance?
 a) Star topology
 b) Bus topology
 c) Ring topology
 d) Mesh topology
 Answer: d) Mesh topology
 Rationale: Mesh topology provides high redundancy
and fault tolerance by ensuring multiple paths for data
transmission.
3. What is the primary function of the Domain Name
System (DNS) in network infrastructure?