200-901 Dumps with Practice Exam Questions Answers

The HTTP status code 400 indicates that the server cannot or will not process the request due to a client error.

HTTP Status Code 400 - Bad Request:

Meaning: The server cannot process the request due to a client-side error. This could be due to malformed request syntax, invalid request message framing, or deceptive request routing.

Common Causes: Typical reasons for a 400 Bad Request include incorrect URL formatting, invalid query parameters, or unsupported characters in the request.

Client Error Category: Status codes in the 4xx range indicate client errors, where the problem lies with the request sent by the client rather than the server.

Other Status Codes:

100 - Continue: Informational status code indicating that the initial part of a request has been received and the client can continue with the rest of the request.

203 - Non-Authoritative Information: The server successfully processed the request, but the information may come from a different source.

303 - See Other: The server is redirecting the client to a different resource, typically using the GET method.

References:

HTTP Status Codes: MDN Web Docs

RFC 7231: HTTP/1.1 Semantics and Content

Routing protocol traffic is handled on the control plane of a network device. The control plane is responsible for the exchange of routing information, the computation of the best paths, and the creation of the routing table. Protocols such as OSPF, BGP, and EIGRP operate at the control plane level to ensure that routers have the necessary information to make forwarding decisions. The data plane, on the other hand, is responsible for the actual forwarding of packets based on the routing table created by the control plane. More information on network planes can be found in the Cisco Networking Basics.

The Bash script shown performs the following actions:

It reads a directory name into the variable ndir.

It enters a loop that continues as long as the directory specified by ndir exists (-d "$ndir" checks if a directory exists).

Inside the loop, it changes the current directory to ndir.

Once the loop exits (when a directory with the name ndir no longer exists), it creates a new directory with the name stored in ndir.

Thus, the script ensures that it continues to navigate into directories with the given name until it finds one that does not exist, and then creates it.