INTERNATIONAL CERTIFICATION EXAMINATION IN DATA
ANALYSIS AND NETWORK PROGRAMMING –(2025/2026)
Architecture | API communication | socket programming |
data visualization and network algorithmic data processing |
client-server systems development
1. Which of the following protocols are examples of TCP/IP transport layer protocols? (Choose
two answers.)
a. Ethernet
b. Http
c. IP
d. UDP
e. SMTP
f. TCP
1. D and F
1. Which of the following protocols are examples of TCP/IP data-link protocol? (Choose two
answers)
a. Ethernet
b. HTTP
c. IP
d. UDP
e. SMTP
f. TCP
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,g. PPP
1. A and G
1. The process of HTTP asking TCP to send some data and making sure that it is received
correctly is an example of what?
a. Same-Layer interaction
b. Adjacent-layer interaction
c. OSI model
d. All of these answers are correct
1. B
1. The process of TCP on one computer marking a TCP segment as segment 1, and the receiving
computer then acknowledging the receipt of TCP segment 1 is an example of what?
a. Data encapsulation
b. Same-layer interaction
c. Adjacent-layer interaction
d. OSI model
e. All of these answers are correct
1. B
1. The process of a web server adding a TCP header to the contents of a web page, followed by
adding an IP header and then adding a data-link header and trailer, is an example of what?
a. Data encapsulation
b. Same-layer interaction
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, c. OSI model
d. All of these answers are correct
1. A
1. Which of the following terms is used specifically to identify the entity created when
encapsulating data inside data-link layer headers and trailers?
a. Data
b. Chunk
c. Segment
d. Frame
e. Packet
1. D
1. Which OSI encapsulation term can be used instead of the term frame?
a. Layer 1 PDU
b. Layer 2 PDU
c. Layer 3 PDU
d. Layer 5 PDU
e. Layer 7 PDU
1. B
1. In the LAN for a small office, some user devices connect to the LAN using a cable, while
others connect using wireless technology (and no cable). Which of the following is true
regarding the use of Ethernet in this LAN?
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ANALYSIS AND NETWORK PROGRAMMING –(2025/2026)
Architecture | API communication | socket programming |
data visualization and network algorithmic data processing |
client-server systems development
1. Which of the following protocols are examples of TCP/IP transport layer protocols? (Choose
two answers.)
a. Ethernet
b. Http
c. IP
d. UDP
e. SMTP
f. TCP
1. D and F
1. Which of the following protocols are examples of TCP/IP data-link protocol? (Choose two
answers)
a. Ethernet
b. HTTP
c. IP
d. UDP
e. SMTP
f. TCP
1|Page
,g. PPP
1. A and G
1. The process of HTTP asking TCP to send some data and making sure that it is received
correctly is an example of what?
a. Same-Layer interaction
b. Adjacent-layer interaction
c. OSI model
d. All of these answers are correct
1. B
1. The process of TCP on one computer marking a TCP segment as segment 1, and the receiving
computer then acknowledging the receipt of TCP segment 1 is an example of what?
a. Data encapsulation
b. Same-layer interaction
c. Adjacent-layer interaction
d. OSI model
e. All of these answers are correct
1. B
1. The process of a web server adding a TCP header to the contents of a web page, followed by
adding an IP header and then adding a data-link header and trailer, is an example of what?
a. Data encapsulation
b. Same-layer interaction
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, c. OSI model
d. All of these answers are correct
1. A
1. Which of the following terms is used specifically to identify the entity created when
encapsulating data inside data-link layer headers and trailers?
a. Data
b. Chunk
c. Segment
d. Frame
e. Packet
1. D
1. Which OSI encapsulation term can be used instead of the term frame?
a. Layer 1 PDU
b. Layer 2 PDU
c. Layer 3 PDU
d. Layer 5 PDU
e. Layer 7 PDU
1. B
1. In the LAN for a small office, some user devices connect to the LAN using a cable, while
others connect using wireless technology (and no cable). Which of the following is true
regarding the use of Ethernet in this LAN?
3|Page
