CompTIA Network+: Network Services & Data Center Architectures

The GPS or atomic clocks used for time synchronization in the NTP protocol reside at which stratum?

0

Which type of DNS record is actually responsible for recording the hostname to IP address mapping?

A or AAAA

Which feature of the DNS protocol can enhance the speed of name resolution requests?

Caching

North-south traffic in a data center refers to which type of communication?

Client to server

Which protocol would you most likely be using to access your SAN if your implementation uses only fiber-optics?

FCP

The spanning-tree protocol sometimes used in the three-tier data center architecture is designed to correct which type of network traffic problem?

Looping

A client system might receive many of which type of DHCP message if there are several DHCP servers in your network?

Offer

Which situation or scenario would most closely resemble the use of a colocation data center?

Renting out your current house

The authoritative server for your domain is indicated by which type of DNS record?

SOA

A spine and leaf architecture in a data center can alleviate the need for which protocol?

STP

IPAM is designed to be used to manage which basic types of systems or devices?

Servers

The DNS database for the Internet is implemented in a distributed fashion due for which basic reason?

There a too many systems on the public Internet

In which portion of the DNS namespace would you find entries such as .com, .org, or .gov?

Top-level

The basis of software-defined networking would be most closely associated with which computing method or service?

Virtualization