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Aruba Associate Routing & IP Services Flashcards

6 cards from real ACA practice questions. Tap to flip, then mark Knew It or Still Learning โ€” missed cards come back until you master them.

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  1. What is the key difference between static routing and dynamic routing?

    Answer: Static routes are manually configured; dynamic routes are learned automatically via routing protocols

    Static routes are manually entered by an administrator and do not adapt to topology changes, while dynamic routing protocols automatically discover and update routes based on network changes.

  2. Which dynamic routing protocol is commonly used within an enterprise campus network and is classified as a link-state protocol?

    Answer: OSPF

    OSPF (Open Shortest Path First) is a link-state routing protocol widely used within enterprise networks, building a complete topology map and computing shortest paths using Dijkstra's algorithm.

  3. What does the subnet mask /24 indicate about an IP network?

    Answer: The first 24 bits are the network portion, leaving 8 bits for hosts (254 usable hosts)

    A /24 prefix length means the first 24 bits identify the network, leaving 8 bits for host addresses, yielding 256 addresses with 254 usable host addresses.

  4. What is the purpose of DHCP in an IP network?

    Answer: To automatically assign IP addresses and network parameters to client devices

    DHCP (Dynamic Host Configuration Protocol) automatically assigns IP addresses, subnet masks, default gateways, and DNS server addresses to client devices on a network.

  5. Which DHCP message does a client send to discover available DHCP servers on the network?

    Answer: DHCP Discover

    A DHCP Discover message is broadcast by a client to locate available DHCP servers; it is the first step in the DORA (Discover, Offer, Request, Acknowledge) process.

  6. What is a DHCP relay agent used for?

    Answer: To forward DHCP broadcasts across routed network boundaries to a centralized DHCP server

    A DHCP relay agent (IP helper) forwards DHCP broadcast messages across Layer 3 boundaries, allowing a centralized DHCP server to serve clients on multiple subnets.