CY2U13 Test Review

The server that responds to a DNS query and asks another DNS server for the address, or already has the IP address for the site saved.

• Local DNS

• Authoritative name server

• TLD name server

• DNS recursor

DNS server that stores local sites and caches often used by external sites.

• Local DNS

• Authoritative name server

• TLD name server

• DNS recursor

The name server that responds to direct requests and can return a list of authoritative name servers for the corresponding top-level domain.

• Local DNS

• Authoritative name server

• TLD name server

• Root name server

Your distance from the original reference clock is a stratum.

• Time to live (TTL)

• DHCP reservation

• Stratum

• DHCP relay

A host that forwards DHCP packets between clients and servers that do not reside on a shared physical subnet.

• DHCP scope

• DHCP relay

• DHCP pool

• DHCP exclusion

Reverse DNS zone is used to resolve IP addresses to names.

• True

• False

The record that uses an IP address to connect a domain to a website that can be added to a domain at any time.

• A

• B

• D

• E

The record that specifies the mail server responsible for accepting email messages on behalf of a domain name.

• A

• B

• D

• E

Choose all the record types that are included in a DNS record.

• SOA

• A

• TXT

• NS

• LAN

A DHCP pool is a list of ____________ IP addresses for dynamic assignment to computers or peripheral devices

• unavailable

• available

• locked