ACP Networking Fundamentals 3

Question 1

Which IPv6 address type is equivalent to an IPv4 private address and is only routable within a local network segment?

Accepted Answer

Link-local

Answer

Link-local addresses (FE80::/10) are automatically assigned and only routable within the local link, similar to IPv4's APIPA addresses.

Question 2

What is the maximum transmission unit (MTU) for standard Ethernet frames?

Accepted Answer

1500 bytes

Answer

Standard Ethernet MTU is 1500 bytes; frames exceeding this require fragmentation at the IP layer.

Question 3

Which routing protocol uses the Dijkstra shortest path first (SPF) algorithm?

Accepted Answer

OSPF

Answer

OSPF (Open Shortest Path First) uses Dijkstra's SPF algorithm to calculate the shortest path through a network topology.

Question 4

A network administrator needs to allow multiple VLANs to traverse a single link between two switches. Which configuration is required?

Accepted Answer

Trunk port

Answer

A trunk port carries traffic for multiple VLANs using 802.1Q tagging, enabling VLAN propagation across switch-to-switch links.

Question 5

Which mechanism allows a router to translate private IP addresses to a single public IP address for outbound internet traffic?

Accepted Answer

NAT/PAT

Answer

NAT/PAT (Network Address Translation/Port Address Translation) maps multiple private addresses to one public IP using unique port numbers.

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