7.2: Configure a Cisco IOS DHCPv4 Server Flashcards

1
Q

Steps to Configure a Cisco IOS DHCPv4 Server

A
  1. Exclude IPV4
  2. Define a DHCPv4 pool name
  3. Configure the DHCPv4 pool
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2
Q

Step 1. Exclude IPv4 Addresses
The router functioning as the DHCPv4 server assigns all IPv4 addresses in a DHCPv4 address pool unless it is configured to _____.

A

exclude specific addresses

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3
Q

Step 1. Exclude IPv4 Addresses
Typically, some IPv4 addresses in a pool are assigned to network devices that require ___assignments.

A

static address

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4
Q

Step 1. Exclude IPv4 Addresses
Commend used to exclude IPV4 address

A

Router (config)# ip dhcp excluded-address LOW-ADDRESS [HIGH-ADDRESS]

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5
Q

A single address or a range of addresses can be excluded by specifying the ____ of the range

A

low-address and high-address

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6
Q

___addresses should be those addresses that are assigned to routers, servers, printers, and other devices that have been, or will be, manually configured.

A

Excluded

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7
Q

Step 2. Define a DHCPv4 Pool Name
Configuring a DHCPv4 server involves defining a____to assign.

A

pool of addresses

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8
Q

Step 2. Define a DHCPv4 Pool Name
syntax to define the pool

A

router (config)# ip dhcp pool POOL-NAME

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9
Q

Step 3. Configure the DHCPv4 Pool
The ___and ___ must be configured.

A

address pool
default gateway router

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10
Q

Step 3. Configure the DHCPv4 Pool
use ___ to define the range of available addresses.

A

network NETWORK-NUMBER [MASK|/PREFIX-LENGTH]

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11
Q

Step 3. Configure the DHCPv4 Pool
Use ___ to define the default gateway router.

A

default-router ADDRESS [ADDRESS 2…ADDRESS 8]

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12
Q

Step 3. Configure the DHCPv4 Pool
Use ___ to define DNS server

A

dns-server ADDRESS [ADDRESS2…ADDRESS8…]

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13
Q

Step 3. Configure the DHCPv4 Pool
Use this to define domain name

A

domain-name DOMAIN

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14
Q

Step 3. Configure the DHCPv4 Pool
Use this to define the duration of the DHCP lease

A

lease {DAYS [HOURS[MINUTES]]|INFINITE}

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15
Q

Step 3. Configure the DHCPv4 Pool
Use this to define the NetBIOS WINS server

A

netbios-name-server ADDRESS [ADDRESS2…ADDRESS8]

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16
Q

SHOW COMMANDS
Displays the DHCPv4 commands configured on the router.

A

show running-config | section dhcp

17
Q

SHOW COMMANDS
Displays a list of all IPv4 address to MAC address bindings provided by the DHCPv4 service.

A

show ip dhcp binding

18
Q

SHOW COMMANDS
Displays count information regarding the number of DHCPv4 messages that have been sent and received.

A

show ip dhcp server statistics

19
Q

You may need to enter ____ on a Windows PC to force it to send out a DHCPDISCOVER message

A

ipconfig /renew

20
Q

Steps to verify if DHCPv4 is operational

A
  1. Verify the DHCPv4 config
  2. Verify the DHCPv4 Bindings
  3. Verify DHCPv4 Statistics
  4. Verify tDHCPv4 Client Received IPv4 Addressing
21
Q

TRUE OR FALSE
The DHCPv4 service is not enabled by default

A

FALSE
The DHCPv4 service is enabled by default

22
Q

To disable the CISCO IOS DHCPv4 Server service, use the ____global configuration mode command.

A

no service dhcp

23
Q

Use the ____ global configuration mode command to re-enable the DHCPv4 server process

A

service dhcp

24
Q

DHCPv4 RELAY
The network administrator releases all current IPv4 addressing information using the____command

A

ipconfig /release

25
Q

DHCPv4 RELAY
network administrator attempts to renew the IPv4 addressing information with the__ command

A

ipconfig /renew

26
Q

DHCPv4 RELAY
the network administrator attempts to renew the IPv4 addressing information with the ____ command

A

ipconfig /renew

27
Q

This command caused PC1 to broadcats a DHCPDISCOVER message

A

ipconfig/ renew

28
Q

DHCPv4 RELAY
A better solution is to configure R1 with the ____ interface configuration command. This will cause R1 to relay DHCPv4 broadcasts to the DHCPv4 server.

A

ip helper-address ADDRESS

29
Q

The network administrator can use the ___command to verify the configuration.

A

show ip interface

30
Q

PC1 is now able to acquire an IPv4 address from the DHCPv4 server as verified with the ___command.

A

ipconfig /all

31
Q

By default, the ip helper-address command forwards the following eight UDP services:

A

Port 37: Time
Port 49: TACACS
Port 53: DNS
Port 67: DHCP/BOOTP server
Port 68: DHCP/BOOTP client
Port 69: TFTP
Port 137: NetBIOS name service
Port 138: NetBIOS datagram service