During data encapsulation, what happens to data as it moves down the protocol stack?

Headers are added at each layer

Data is compressed at each layer

Headers are removed at each layer

Data is converted to analog signals at each layer

CiscoCertified Field Technician (CCT)

Domain 1Objective 2

1.2 Identify the Layers of the Host-To-Host Communications Model 800-150 Practice Questions (Page 4)

Part of the 1.0 Networking Foundations domain, which accounts for 20% of the 800-150 exam. Cisco does not publish an official question count, but from its 120-minute exam (~50–80 total, ~10–16 in this domain), expect 1–2 from this objective — we provide 27 practice questions to prepare you well beyond it. (estimate)

27questions here

6free pages

7concepts

20%of the exam

Questions 16–20

16foundation · easy
During data encapsulation, what happens to data as it moves down the protocol stack?
Select an answer first
17application · medium
A technician is troubleshooting a connectivity issue where two devices on the same VLAN cannot ping each other, but both can ping their default gateway. The technician suspects the issue is at a specific OSI layer. Which layer is most likely the problem?
Select an answer first
18application · medium
A field technician is troubleshooting a link where the switch port LED is green but the attached PC cannot reach the default gateway. The technician checks the PC's IP configuration and confirms it is correct. At which OSI layer is the fault most likely occurring?
Select an answer first
19application · medium
A technician is reviewing a network diagram and sees that a device is labeled with an IP address and a subnet mask. The technician needs to explain which TCP/IP stack layer this information belongs to. Which layer is it?
Select an answer first
20application · medium
A technician is explaining the encapsulation process to a new hire. The technician describes how data gets a header added as it moves down the stack. Which sequence correctly describes the PDU names as data moves from the transport layer to the network layer to the data link layer?
Select an answer first

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1.2 Identify the Layers of the Host-To-Host Communications Model 800-150 Practice Questions (Page 4)

Questions 16–20

During data encapsulation, what happens to data as it moves down the protocol stack?

A technician is troubleshooting a connectivity issue where two devices on the same VLAN cannot ping each other, but both can ping their default gateway. The technician suspects the issue is at a specific OSI layer. Which layer is most likely the problem?

A field technician is troubleshooting a link where the switch port LED is green but the attached PC cannot reach the default gateway. The technician checks the PC's IP configuration and confirms it is correct. At which OSI layer is the fault most likely occurring?

A technician is reviewing a network diagram and sees that a device is labeled with an IP address and a subnet mask. The technician needs to explain which TCP/IP stack layer this information belongs to. Which layer is it?

A technician is explaining the encapsulation process to a new hire. The technician describes how data gets a header added as it moves down the stack. Which sequence correctly describes the PDU names as data moves from the transport layer to the network layer to the data link layer?

Keep studying — 1.0 Networking Foundations