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Network Pro Exam |Questions & Answers Verified 100% Correct
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Network Pro Exam |Questions & Answers Verified 100% Correct
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Network Pro Exam |Questions & AnswersVerified 100% Correct
Which of the following are functions of the MAC sublayer? (Select two.) - ✔✔Letting devices
on the network have access to the LAN
Defining a unique hardware address for each device on the network
Which OSI model layer is responsible for guaranteeing reliable message delivery? -
✔✔Transport
Match each layer of the TCP/IP model on the left with the corresponding layer of the OSI model
on the right. Each option on the left can be used more than once. - ✔✔Presentation-
Application
Data Link-Network Access
Application-Application
Session-Application
Network-Internet
Transport-Host-to-Host
Match the networking function or device on the left with its associated OSI model layer on the
right. - ✔✔Application-HTTP
Presentation-ASCII
Session-Session ID number
Transport-Port numbers
Network-Router
Data Link-Switch
Physical-Modem
,During TCP/IP communications between two network hosts, information is encapsulated on the
sending host and decapsulated on the receiving host using the OSI model.
Match the information format on the left with the appropriate layer of the OSI model on the
right. (Not all layers have a matching information format.) - ✔✔Session Layer-
Transport Layer- Segments
Network Layer-Packets
Data Link Layer-Frames
Physical Layer-Bits
Upper layers prepare the data to be sent through the network.
The Transport layer breaks the data into pieces called segments, adding sequencing and control
information.
The Network layer converts the segments into packets, adding logical network and device
addresses.
The Data Link layer converts the packets into frames, adding physical device addressing
information.
The Physical layer converts the frames into bits for transmission across the transmission media
Which of the following protocols allows hosts to exchange messages to indicate problems with
packet delivery? - ✔✔ICMP
Which protocol is used on the World Wide Web to transmit web pages to web browsers? -
✔✔HTTP
,Your company has just acquired another company in the same city. You need to integrate the
two email systems so that messages can be exchanged between the email servers. Currently,
each network uses an email package from a different vendor.
Which TCP/IP protocol will enable message exchange between systems? - ✔✔SMTP
You are an application developer, and you are 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
Which of the following protocols stores email on the mail server and allows users to access
messages from various client devices without having to download the emails? - ✔✔IMAP4
Which protocol is used to securely browse a website? - ✔✔HTTPS
The UDP transport protocol provides which of the following features? (Select all that apply.) -
✔✔Low overhead
Connectionless datagram services
What protocol sends email to a mail server? - ✔✔SMTP
You have a large TCP/IP network and want to keep a host's real time clock synchronized. What
protocol should you use? - ✔✔NTP
Which of the following TCP/IP protocols do email clients use to download messages from a
remote mail server? - ✔✔POP3
You are asked to recommend an email retrieval protocol for a company's sales team. The sales
team needs to access email from various locations and possibly different computers. The sales
, team does not want to worry about transferring email messages or files back and forth
between these computers.
Which email protocol is designed for this purpose? - ✔✔IMAP4
Which of the following protocols includes extensive error checking to ensure that a
transmission is sent and received without mistakes? - ✔✔TCP
What is the binary format for the following decimal IP address?
131.9.202.111 - ✔✔10000011.00001001.11001010.01101111
What is the decimal format of the following binary IP address?
11001110.00111010.10101010.01000011 - ✔✔206.58.170.67
To find the decimal form of a binary number, add up each decimal equivalent for each 1 bit in
the address. For example, the equation for the number 11001110 is128 + 64 + 8 + 4 + 2 = 206.
Match each decimal value on the left with the corresponding hexadecimal value on the right.
Not all decimal values have a corresponding hexadecimal value. - ✔✔11 - 17
B - 11
D - 13
F - 15
C - 12
10 - 16
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