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?