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Objective 4.9200-301

4.9 Describe the capabilities and functions of TFTP/FTP in the network.

Objective 4.9 sits in IP Services, which carries 10% of the CCNA exam. The questions below are original, written from the official objective title above, and each explanation cites the Cisco page it rests on.

Objective title verbatim from the official objectives. Cisco exam page ↗

A worked example

Shown solved, with the whole explanation open: this is what every question here carries.

4-9IP ServicesModerate

A technician points a switch at a TFTP server to fetch an image, then tries to browse the server's directory and to log in with a service account. Both attempts fail.

The protocol offers neither listing nor user loginCorrect · your answerCorrect. Neither directory listing nor user authentication exists in this protocol.
The server needs its read only flag cleared firstA read only server still serves the image, and the flag has nothing to do with listing or login.
Listing and login require the octet transfer modeTransfer mode decides how bytes are interpreted, not which operations exist.
The switch must open a second session for controlThere is no separate control session; requests and data share one exchange.

Correct.

Concept

A protocol designed to be small enough to fit in boot firmware carries only the operations that job needs. Everything a full transfer service offers beyond reading and writing a named file is left out on purpose.

Why A

The protocol can read and write a named file and nothing else: it cannot list directories and has no user authentication at all. The file name has to be known in advance, and access is controlled by the server's own configuration.

Source

#tftp#file transfer#device management

Now you: objective 4.9 questions

No account needed. The explanation opens when you answer.

Sample question 1 of 3

4-9IP ServicesHard

An image copy over a satellite link with 600 ms of round trip delay crawls, although the link has plenty of bandwidth and shows no loss. What explains the throughput?

Sample question 2 of 3

4-9IP ServicesEasy

A capture of a completed transfer ends with a data packet carrying 168 bytes, with no closing exchange after it. How did the receiver know the file was complete?

Sample question 3 of 3

4-9IP ServicesEasy

An engineer captures an FTP session and sees two separate flows between the same pair of hosts. Which traffic travels on the connection that stays open throughout?

That’s 3 of the full CCNA bank.

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Read the sources

These are the official pages the questions above cite. Reading them is studying the objective from the primary source, which is what the explanations point you toward anyway.

More objectives in IP Services