A network administrator wants to enable a Cisco router to resolve hostnames for troubleshooting commands like ping and telnet. The router should use a DNS server at 10.1.1.10. Which configuration achieves this?

ip name-server 10.1.1.10 and ip domain lookup

ip domain name example.com and ip name-server 10.1.1.10

A network administrator has configured a DHCP server on a router in VLAN 10. Clients in VLAN 20 are not receiving IP addresses. The router is configured with subinterfaces for both VLANs. What should the administrator configure to allow VLAN 20 clients to obtain addresses from the DHCP server?

Create a DHCP pool with a network statement for VLAN 20

Enable DHCP snooping on the VLAN 20 SVI

Configure an IP helper-address on the VLAN 20 interface

Add a static route from VLAN 20 to the DHCP server

What is the correct order of messages exchanged during a successful DHCP lease process?

Discover, Offer, Request, Acknowledge

Discover, Request, Offer, Acknowledge

Request, Discover, Offer, Acknowledge

Offer, Discover, Request, Acknowledge

What is the effect of the 'ip domain-lookup' command on a Cisco router?

It disables DNS resolution on the router

It enables the router to perform DNS name resolution

It configures the router as a DNS server

It specifies the domain name for the router

CiscoCertified Network Associate (CCNA)

Domain 4Objective 3

4.3 Explain the Role of DHCP and DNS Within the Network 200-301 Practice Questions (Page 2)

Part of the IP Services domain, which accounts for 10% of the 200-301 exam. Cisco does not publish an official question count, but from its 120-minute exam (~50–80 total, ~5–8 in this domain), expect 1–1 from this objective — we provide 39 practice questions to prepare you well beyond it. (estimate)

39questions here

8free pages

9concepts

10%of the exam

Questions 6–10

6application · medium
A network administrator wants to enable a Cisco router to resolve hostnames for troubleshooting commands like ping and telnet. The router should use a DNS server at 10.1.1.10. Which configuration achieves this?
Select an answer first
7application · medium
A network administrator has configured a DHCP server on a router in VLAN 10. Clients in VLAN 20 are not receiving IP addresses. The router is configured with subinterfaces for both VLANs. What should the administrator configure to allow VLAN 20 clients to obtain addresses from the DHCP server?
Select an answer first
8foundation · easy
What is the correct order of messages exchanged during a successful DHCP lease process?
Select an answer first
9expert · medium
A user reports that they can access a website by IP address but not by hostname. You check the DNS configuration and find that the client's DNS server is set to 8.8.8.8. The website's domain is 'example.com'. Which DNS record is most likely missing or incorrect?
Select an answer first
10foundation · easy
What is the effect of the 'ip domain-lookup' command on a Cisco router?
Select an answer first

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