Which of the following default port numbers need to be open on a firewall for a mail server to successfully send and receive mail? (Choose three.)

• A.161
• B.143
• C.80
• D.25
• E.53
• F.110
• G.22

Comment: *

Name: *

Email: *

Verification: *

Which of the following graphically depicts the movement of information within a system?

• A.Dataflow diagram
• B.Site survey diagram
• C.Network diagram
• D.Architectural diagram

Comment: *

Name: *

Email: *

Verification: *

Which of the following failover designs BEST describes a warm site?

• A.It is a site with a replica of the backups from last night. Servers and storage are in place but are not currently running. Services previously provided by the failed site will be available within 24 hours
• B.Servers and storage are actively running and ready to provide services previously provided by the failed site within an hour or less, though additional time might be required to bring data up to latest copy
• C.It is a site with a current replica of the data. Servers and storage are running and ready to provide services previously provided by the failed site
• D.It is a site that has monthly replicas of backup data and a bare-bones server infrastructure to facilitate restores. Servers may need to be provided by a disaster recovery company before services can be restored

Comment: *

Name: *

Email: *

Verification: *

Which of the following is the purpose of an NTP server?

• A.For hosting instant messaging applications
• B.For synchronizing clocks on network devices
• C.For file sharing and collaboration
• D.For hosting newsgroups

Comment: *

Name: *

Email: *

Verification: *

Which of the following allows virtual machines to share the NIC of the host?

• A.Virtual LANs
• B.NAT
• C.Bridging
• D.Virtual NICs

Comment: *

Name: *

Email: *

Verification: *