Author: Study Clue

If a DNS record TTL is set very high before migration, what is the biggest practical risk A Higher SSL

When a browser must contact a server securely over HTTPS, which extra step occurs after TCP connect A DNS zone

In JavaScript, which statement best explains why const is used for many variables A Makes code compiled B Prevent reassignment

When loading a webpage, which step usually happens right after the TCP connection is established A DNS zone updated B

When a user opens a website, which layer mainly handles converting domain to server address A CSS layout layer B

In web browsing, which protocol is primarily used to transfer web pages A HTTP protocol B SMTP protocol C FTP

In client–server web use, which software usually acts as the client on a PC A Web browser app B DNS

When choosing shared hosting for a small site, what is the biggest practical drawback A Highest dedicated resources B No

In a typical website, which part sends the first request for a web page A Database engine B DNS root

If a function’s runtime is T(n)=T(n/2)+O(n), the overall time is typically A O(n log n) B O(log n) C O(n)