Cisco CCNA Cisco CCNA IP Services

Question 1

Which protocol does a DHCP client use to initially discover a DHCP server on the network?

Accepted Answer

DHCP Discover (broadcast)

Answer

DHCP Request (unicast)

Answer

DHCP Offer (unicast)

Answer

DHCP Inform (multicast)

Question 2

What is the default lease time for a DHCP address assignment on a Cisco IOS router if not explicitly configured?

Accepted Answer

1 day

Answer

8 hours

Answer

12 hours

Answer

7 days

Question 3

Which NTP stratum number indicates that a device is directly connected to a reference clock (e.g., GPS)?

Accepted Answer

Stratum 1

Answer

Stratum 0

Answer

Stratum 2

Answer

Stratum 15

Question 4

What is the well-known UDP port number used by SNMP agents to receive requests from an SNMP manager?

Accepted Answer

161

Answer

162

Answer

514

Answer

123

Question 5

Which Syslog severity level number represents a 'Critical' condition on a Cisco device?

Accepted Answer

2

Answer

0

Answer

4

Answer

6

Question 6

Which DNS record type maps a fully qualified domain name (FQDN) to an IPv4 address?

Accepted Answer

A record

Answer

AAAA record

Answer

CNAME record

Answer

PTR record