Fig. 1 shows two possible routes between a museum ticket desk and a cloud booking server. A router chooses a route for each packet. Link B is unavailable be...
Question 1 Report
Fig. 1 shows two possible routes between a museum ticket desk and a cloud booking server. A router chooses a route for each packet. Link B is unavailable because roadworks damaged the fibre cable beneath the street.
(a) State the purpose of a router in this network. [1]
(b) Give one route that packets can use from the ticket desk to the server while link B is unavailable. [1]
(c) State two advantages of having more than one possible route to the server. [2]
In the annual audit of a charity office, a technician finds that some computers have network names such as PC1 and PC2, while others use names based on staff members. The office also has a shared printer and a file server. Staff often move between desks.
(a) State one reason why a computer name is used on a network. [1]
(b) Give one problem caused by using a staff member's name for a computer that may be used by different people. [1]
(c) State two suitable features of a naming convention for the charity's network devices. [2]
Answer Details
Museum routing question
(a) A router forwards, or routes, packets between networks or devices. [1]
(b) While link B is unavailable, packets can travel Ticket desk → R1 → Server. Ticket desk → R2 → Server is equally valid. [1]
(c) Multiple routes mean communication can continue if one link fails. They can also share traffic between routes, reducing congestion. Any two [2].
Charity device-naming question
(a) A computer name is used to identify a device on the network. [1]
(b) A staff member's name becomes misleading if that person changes desk or leaves. It may also reveal personal information. [1]
(c) A suitable naming convention should use unique names and a consistent format. Including a location or device type, and avoiding personal names, are also suitable features. Any two [2].
Download The App On Google Playstore
Everything you need to excel in your exams
