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Related Flashcards
Cards In This Set
| Front | Back |
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In a network which contains routers, which 2 addresses are required for Host A to send messages to Host B?
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IP and MAC
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How does Host A obtain the IP address of Host B if only the name of Host B is known?
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From the Domain Name Server
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What are 2 ways a Host can obtain the address of the DNS?
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Configured on the host or it is learned via DHCP.
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How does Host A determine the MAC of Host B if only the IP is known?
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By issuing an ARP request.
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What layer do ARP messages take place?
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Layer 2
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Are ARP requests sent to specific destinations?
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No, ARP requests are broadcasts.
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Do all Hosts respond to ARP requests?
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No, only the host whose IP address appears in the ARP request.
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What mechanism is used to reduce ARP requests?
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ARP caches
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How is an ARP request answered if the host resides in another network or subnet?
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The router will use proxy ARP to answer the ARP Request with the MAC address of the router.
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Name the 4 basic steps that allow a host to dynamically acquire its IP address from a DHCP server.
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Client -> DHCP Discover, Server -> DHCP Offer, Client -> DHCP Request, Server -> DHCP Acknowledge
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Which DHCP messages are broadcasts?
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DHCP Discover, DHCP Request
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What is the name of the Cisco GUI application that can be used to configure DHCP?
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Security Device Manager (SDM)
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Is SDM a PC, Web, client, or server based management application?
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Web
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Where do the Cisco Router and Security Device Manager files reside?
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On the router
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Which DHCP parameters are required when configuring a DHCP server on a Cisco router?
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Pool name, network IP address, subnet mask, starting & ending IP address, lease length
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