A client packet is received by a server. The packet has a destination port number of 389. What service application is the client requesting?
Correct answer(s):
- LDAP
Subject
Information Technology
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A client packet is received by a server. The packet has a destination port number of 23. What service application is the client requesting?
Correct answer(s):
- Telnet
A client packet is received by a server. The packet has a destination port number of 143. What service application is the client requesting?
Correct answer(s):
- IMAP
A client packet is received by a server. The packet has a destination port number of 22. What service application is the client requesting?
Correct answer(s):
- SSH
A client packet is received by a server. The packet has a destination port number of 137. What service application is the client requesting?
Correct answer(s):
- NetBIOS (NetBT)
A client packet is received by a server. The packet has a destination port number of 21. What service application is the client requesting?
Correct answer(s):
- FTP
Which type of server would support the SMTP, POP, and IMAP protocols?
Correct answer(s):
Which internet connection type is an always-on service that uses radio signals sent from a tower to a receiver in a home or business?
Correct answer(s):
- line of sight wireless
Which network device allows administrators to remotely manage many devices through one dashboard interface?
Correct answer(s):
- cloud-based network controller
Which smart home wireless technology has an open standard that allows up to 232 devices to be connected?
Correct answer(s):
- Z-Wave
Which network device would be the most appropriate to provide stateful packet filtering, email filtering, and VPN services?
Correct answer(s):
- UTM
Which type of server would be used to keep a historical record of messages from monitored network devices?
Correct answer(s):
- syslog
A technician with a PC is using multiple applications while connected to the Internet. How is the PC able to keep track of the data flow between multiple application sessions and have each application receive the correct packet flows?
Correct answer(s):
- The data flow is being tracked based on the source port number that is used by each application.
Which well-known port number is used by the DHCP (client) protocol?
Correct answer(s):
- 68
A user needs to access the Internet from home. Which device is needed if a user connects to an ISP through the telephone network?
Correct answer(s):
- DSL modem
Which type of connection to the Internet is capable of the fastest transfer rates?
Correct answer(s):
- fiber
Which device provides wireless connectivity to users as its primary function?
Correct answer(s):
- access point
Which pairs of wires change termination order between the 568A and 568B standards?
Correct answer(s):
- green and orange
Which IEEE standard operates at wireless frequencies in both the 5 GHz and 2.4 GHz ranges?
Correct answer(s):
- 802.11n
What is the correct order of the layers of the TCP/IP model from the top layer to the bottom?
Correct answer(s):
- application, transport, internet, network access