Configuration Basics Word Scramble
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Question | Answer |
what are the three set up mode options | 1. command-Line interface, 2. basic management, and 3. extended setup |
What protocol does the Ping command use? | ICMP echo messages |
How does the Ping differ from traceroute? | Ping uses ICMP echo messages to varify that the specified device is recieving L3 packets (5) traceroute uses TTL values from each router it meets to send bak a list of hops along the way |
What are three DHCP show commands? | show ip dhcp binding -displays the ip addresses currently leased; show ip dhcp pool - displays the ip pools, currently leased addresses statistics, watermark ; show ip dhcp statistics - displays dhcp stats |
What command configures the DHCP server's address on a relay router or interface? | ip helper-address <server-ip> |
When DHCP is set up correctly what can a client automatically learn? | 1. its host IP address 2. the subnet mask 3. default router 4. DNS servers |
What are the steps to configure a DHCP server? | step 1: (config)#ip dhcp exclude-address <first IP> <last ip> step 2: (config)#ip dhcp pool name a. ( )#network <ip & mask> b.()#default-router <ip1> <ip2>... c.()#dns-server <ip1> <ip2>... d.()#lease <days><hours><min> e.()#domain-name <name> |
In a Discover DHCP message from the client what is the source and destination address of the packet? | Source: 0.0.0.0 b/c the client does not have an address yet Destination: 255.255.255.255 because the client does not have the default router info yet |
In the Discover DHCP message from the relay agent what is the source and destination address? | Source: Relay agent ip address; Desintation: the DCHP server address |
In the offer message from the DHCP server what is the source and destination address of the packet? | Source: DHCP server address; Dest: Relay Agent |
How does the DHCP server know what ip pool to use? | it uses the source address in the discover message and compares it to the address configured in the network command |
In the offer message from the Relay agent what is the source and destination address of the packet? | source: dhcp server; destination: 255.255.255.255 |
What happens if the discover source address is not in any of the ranges on the DHCP server? | then the server cannot lease any addresses to that network (no reply) |
What could cause hosts to have issues resolving hostnames to IP addresses? | Inccorrect or missing DNS server addresses configured on the DHCP server |
what could cause hosts to fail pinging (sending packets) to hosts on other subnets? | incorrect or missing default router configuration on the DHCP server |
what command allows interfaces on a network to use the zero subnet? | (config)#ip subnet zero |
Created by:
carly.files
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