Cisco Certified Network Associate 0 (ccna)

Correct Answer: D


QUESTION 62
Refer to the exhibit.

The DHCP server is configured with a DHCP pool for each of the subnets represented. Which command must be configured on switch SW1 to allow DHCP clients on VLAN 10 to receive dynamic IP addresses from the DHCP server?

1. 
   SW1(config-if)#ip helper-address 192.168.10.2
   
2. 
   SW1(config-if)#ip helper-address 192.168.20.1
   
3. 
   SW1(config-if)#ip helper-address 192.168.20.2
   
4. 
   SW1(config-if)#ip helper-address 192.168.10.1
   

Correct Answer: C


QUESTION 63
Drag and drop the DNS lookup commands from the left onto the functions on the right.

A. -> enables DNS lookup on an individual interface: ip domain lookup source-interface

-> enables the DNS server on the device: ip dns server
-> identifies a DNS server to provide lookup services: ip name-server
-> specifies a sequence of domain names: ip domain list
-> specifies the default domain to append to unqualified host names: ip domain name
-> statically maps an IP address to a hostname: ip host


Correct Answer: A


QUESTION 64
Drag and drop the TCP or UDP details from the left onto their corresponding protocols on the right.



A. TCP
-> requires the client and the server to establish a connection before sending the packet
-> supports reliable data transmission

UDP
-> provides best-effort service

-> transmitted based on data contained in the packet without the need for a data channel


Correct Answer: A


QUESTION 65
Refer to the exhibit.

hostname CPE

service password-encryption
ip domain name ccna.cisco.com ip name-server 198.51.100.210
crypto key generate rsa modulus 1024 username admin privilege 15 secret S0m3s3cr3t line vty 0 4
transport input ssh
login local

An engineer executed the script and added commands that were not necessary for SSH and now must remove the commands. Which two commands must be executed to correct the configuration? (Choose two)

1. 
   no ip domain name ccna.cisco.com
   
2. 
   no login local
   
3. 
   no ip name-server 198.51.100.210
   
4. 
   no service password-encryption
   
5. 
   no hostname CPE