Practice Test Flashcards
7 cards from real Cisco CCNA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Practice Test flashcards as text
Which IPv6 address type is equivalent to the IPv4 private address space?
Answer: Unique local
Unique local addresses (FC00::/7) are the IPv6 equivalent of IPv4 private addresses, not routed on the public internet.
What does the 'no shutdown' command do on a router interface?
Answer: Enables the interface that was administratively disabled
The 'no shutdown' command brings up an interface that was placed in an administratively down state.
Which EtherChannel protocol is an open standard negotiation protocol?
Answer: LACP
LACP (Link Aggregation Control Protocol) is defined in IEEE 802.3ad and is an open standard for EtherChannel negotiation.
A router receives a packet destined for 192.168.10.50. It has routes for 192.168.10.0/24 and 0.0.0.0/0. Which route does it use?
Answer: 192.168.10.0/24 because it is the most specific match
Routers use the longest prefix match, so the more specific /24 route is preferred over the default route /0.
Which layer of the OSI model does a switch primarily operate at?
Answer: Layer 2
Switches operate at Layer 2 (Data Link) and use MAC addresses to forward frames within a network.
What is the purpose of NAT overload (PAT) in a network?
Answer: To allow multiple internal hosts to share a single public IP address using port numbers
PAT (Port Address Translation) maps multiple private IP addresses to a single public IP by tracking unique source port numbers.
Which command verifies EIGRP neighbor relationships on a Cisco router?
Answer: show ip eigrp neighbors
The 'show ip eigrp neighbors' command displays the EIGRP neighbor table including neighbor IP addresses and hold times.