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Network Pro Midterm Exam | Latest Updated Questions | Answers Verified 100% Correct
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Network Pro Midterm Exam | Latest Updated Questions | Answers Verified 100% Correct
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Network Pro Midterm Exam | Latest UpdatedQuestions | Answers Verified 100% Correct
Which of the following is the process of breaking a message into packets, adding controls and
other information, and then transmitting the message throught the transmission medium? -
✔✔encapsulation
What is the purpose of a frame check sequence (FCS) footer - ✔✔Checksum error detection
What term does the OSI model use thats different from the TCP/IP model in reference to the
terms frame, packet, and segment? - ✔✔Protocol data unit (PDU)
match each TCP/IP layers with its function - ✔✔Breaks the data into pieces: transport
Adds physical addresses: Link
Prepares the data to be sent: application
Adds ligucal addresses: internet
When does a router use ARP? - ✔✔When the router's routing table doesn't contain the MAC
addresses of devices on the local LAN that they need to forward frames to.
Routing data between computers on a network requires several mappings between different
addresses. Which of the following statements is true - ✔✔hosts use ARP to resolve known IP
addresses into MAC addresses
,During network transmission, data is transferred to various routers, which forward the data to
the appropriate network. If the source and destination network addresses reside on the same
network, which protocol is used to determine the destination IP's MAC address? - ✔✔ARP
TCP is a connection-oriented protocol that uses a three-way handshake to establish a
connection to a system port. Computer 1 sends a SYN packet to Computer 2. Which packet
does Computer 2 send back? - ✔✔SYN/ACK
Which of the following is the process of breaking a message into packets, adding controls and
other information, and then transmitting the message through the transmission meduim? -
✔✔Encapsulation
what is the purpose of a frame chec sequence (FCS) footer? - ✔✔Checksum error detection
Which of the following protocols allows hosts to exchange messages to indicate problems with
packet delivery? - ✔✔ICMP
You have a large TCP/IP network and want to keep hosts' real time clock synchronized. What
protocol should you use? - ✔✔NTP
your company has just aquired another company in the same city. You need to integrate the
two email systems so that messages can be exchanged between email servers. Currently, each
network uses an email package from a different vendor. Which TCP/IP protocol enables
message exchange between systems? - ✔✔SMTP
You're an application developer, and you're writing a program for exchanging video files
through a TCP/IP network. You need to select a transport protocol that will guarantee delivery.
Which TCP/IP protocol provides this capability? - ✔✔TCP
You've recently installed a new Windows server. To ensure system time accuracy, you've loaded
an application that synchronizes the hardware clock on the server with an external time source
, on the internet. Now you must configure your network firewall to allow time synchronization
traffic through.
Which of the following ports are you MOST LIKELY to open on the firewall? - ✔✔123
Which port number is used by SNMP - ✔✔161
Youre configuring a network firewall to allow SMTP outbound email traffic and POP3 inbound
email traffic. Which of the following TCP/IP ports should you open on the firewall? (select two) -
✔✔110
25
Which port does Telnet use? - ✔✔23
Which of the following network services or protocols uses TCP/IP port 69? - ✔✔TFTP
You're installing network wiring for a new Ethernet network at your company's main office
building. The project specifications call for Cat 5e UTP network cabling and RJ45 wall jacks. Near
the end of the project, you run out of wire before the last few runs are complete. You have a
spool of Cat 3 network cable in storage. Upon closer inspection, it appears very similar to the
Cat 5e wiring.
To finish the project, should you use the Cat 3 cabling as a substitute for the Cat 5e cabling? -
✔✔No. Cat 5e cabling has more twists per inch than Cat 3 cabling, reducing crosstalk and
supporting higher data rates.
which of the following hardware devices regenerate a signal out of all connected ports without
examining the frame or contents? (select two) - ✔✔Repeater
Hub
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