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NT 203 Routing & Switching Security I MIDTERM READINESS EXAM Q & S 2026/2027
1. Which of the following protocols is most susceptible to a
man-in-the-middle attack if not properly secured?
a) OSPF
b) RIP
c) EIGRP
d) BGP
Answer: d) BGP
Rationale: BGP is used for inter-domain routing and
relies heavily on trust. Without proper security measures
like TCP MD5 signature option or BGPsec, it can be
susceptible to attacks.
2. What is the primary purpose of implementing VLAN
Access Control Lists (VACLs) in a network?
a) Ensuring data integrity
b) Filtering traffic within a VLAN
c) Preventing data packet loss
d) Securing routing protocols
Answer: b) Filtering traffic within a VLAN
Rationale: VACLs are used to filter traffic within a
VLAN, applying security policies to frames traversing the
VLAN.
3. Which type of attack does Dynamic ARP Inspection
(DAI) help mitigate?
a) DDoS
b) ARP Spoofing
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