Podcast
Questions and Answers
What is the standard model for developing network applications?
What is the standard model for developing network applications?
- Server-Server model
- Client-Server model (correct)
- Peer-to-Peer model
- Client-Client model
Which protocol is responsible for assigning IP addresses dynamically on a network?
Which protocol is responsible for assigning IP addresses dynamically on a network?
- FTP (File Transfer Protocol)
- DHCP (Dynamic Host Configuration Protocol) (correct)
- STP (Spanning Tree Protocol)
- DNS (Domain Name System)
What is the main function of a server in a network?
What is the main function of a server in a network?
- Initiating connections
- Hiding network interfaces
- Offering services (correct)
- Requesting services
In the client-server model, what is the role of the server process?
In the client-server model, what is the role of the server process?
Which application layer protocol resolves domain names to IP addresses?
Which application layer protocol resolves domain names to IP addresses?
What kind of connection does the dominant model for data exchange over networks operate with?
What kind of connection does the dominant model for data exchange over networks operate with?
What is the purpose of caching DNS responses?
What is the purpose of caching DNS responses?
How is the lifetime (TTL) of cached data controlled?
How is the lifetime (TTL) of cached data controlled?
Why are negative DNS queries cached?
Why are negative DNS queries cached?
How does DNS handle reliability with replicated servers?
How does DNS handle reliability with replicated servers?
Why is UDP used for DNS queries instead of TCP?
Why is UDP used for DNS queries instead of TCP?
What is the main purpose of Dynamic Host Configuration Protocol (DHCP)?
What is the main purpose of Dynamic Host Configuration Protocol (DHCP)?
What does the DNS message format consist of?
What does the DNS message format consist of?
What is the purpose of the Identification field in DNS Header Fields?
What is the purpose of the Identification field in DNS Header Fields?
In the DNS Record RR format, what does 'type = A' represent?
In the DNS Record RR format, what does 'type = A' represent?
What does the 'Type = NS' signify in the 'IN' class of DNS Record?
What does the 'Type = NS' signify in the 'IN' class of DNS Record?
What does the 'Flags' field in DNS Header represent?
What does the 'Flags' field in DNS Header represent?
What is the purpose of the 'Class' field in DNS Record RR format?
What is the purpose of the 'Class' field in DNS Record RR format?
What is the responsibility of root name servers?
What is the responsibility of root name servers?
What is the role of a resolver in the context of DNS?
What is the role of a resolver in the context of DNS?
Which type of query involves the server providing as much information as it knows?
Which type of query involves the server providing as much information as it knows?
How does a recursive query differ from an iterative query?
How does a recursive query differ from an iterative query?
In DNS, what is the primary function of local name servers?
In DNS, what is the primary function of local name servers?
What does the domain name 'provolone.crcl.cs.cmu.edu' map to?
What does the domain name 'provolone.crcl.cs.cmu.edu' map to?
Which of the following domain names map to the same IP address?
Which of the following domain names map to the same IP address?
Which of the following statements about domain names is true?
Which of the following statements about domain names is true?
Where would the domain name 'Amal.cmu.edu' be stored according to the DNS hierarchy?
Where would the domain name 'Amal.cmu.edu' be stored according to the DNS hierarchy?
What is a zone in the context of DNS design?
What is a zone in the context of DNS design?
How are secondary/redundant name servers updated in a DNS zone?
How are secondary/redundant name servers updated in a DNS zone?
Flashcards are hidden until you start studying
