Princess Nora Bint Abdulrahman UniversityFaculty of Computer and Information SciencesDepartment of Networks and Telecommunications

NET431D-Advanced network servicesFirst Semester 1437/1438 HAssignment 3

Q1: Determine which of the following is an FQDN and which is a PQDN.a. xxxb. xxx.yyy.c. xxx.yyy.netd. zzz.yyy.xxx.edu.e. mil.f. edu.g. xxx.yyy.neth. zzz.yyy.xxx.edu

Q2: If a DNS domain name is voyager.fhda.edu, how many labels are involved here?How many levels of hierarchy?

Q3: Is a PQDN necessarily shorter than the corresponding FQDN?

Q4: A domain name is hello. customer. info. Is this a generic domain or a country domain?

Q5: How does caching increase the efficiency of name resolution?

Q6: What is the purpose of the inverse domain?

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