Gate Corp.

09/08/2026

Why are DHCP snooping untrusted ports important?
a) They disable ARP.
b) They prevent unauthorized DHCP servers from supplying rogue DHCP responses.
c) They allow any DHCP server to respond.

09/08/2026

09/08/2026

Which feature helps protect the spanning-tree topology from unexpected BPDUs on edge ports?
a) BPDU Guard
b) PortFast only
c) NAT overload

09/08/2026

Which attack exploits the behavior of STP by introducing a malicious device that sends superior BPDUs?
a) DHCP starvation
b) STP manipulation
c) DNS cache poisoning

09/08/2026

What is the main purpose of sticky MAC learning?
a) To encrypt Ethernet frames.
b) To replace STP.
c) To learn MAC addresses dynamically and associate them with the port's secure MAC configuration.

09/08/2026

Which port-security violation mode can place the interface into an error-disabled state?
a) protect
b) shutdown
c) restrict

09/08/2026

Which switch feature helps prevent unauthorized devices from using a trusted access port?
a) CDP
b) DNS snooping
c) Port security

09/08/2026