Question 1: What is the Protocol Data Unit (PDU) related to the network layer? A) Packets B) Bits C) Frames D) Data Question 2: The Switch is a device of the ______________ OSI model. A) Network Layer B) Session Layer C) Data Link Layer D) Application Layer Question 3: How many bytes are needed to encode a physical address? A) 2 B) 4 C) 6 D) 8 Question 4: Which protocol is used to translate IP addresses to MAC addresses?? A) ICMP B) IP C) ARP D) RARP Question 5: What is the hardware element (or component) of a network that is called a "gateway"? A) Bridge B) Hub C) Router D) Switch Question 6: What is the broadcast address of the network 195.89.0.0/20? A) 195.89.31.255 B) 195.89.7.255 C) 195.89.255.255 D) 195.89.15.255 3 PRIVATE INTERNATIONAL INSTITUTE OF MANAGEMENT AND TECHNOLOGY - RABAT Question 7: What is DHCP used for? A) Distributes a DNS suffix B) Distributes an IP address, a subnet mask and a gateway C) Allows access to the Internet D) None of the above Question 8: What do you use to create VLANs? A) Router B) Switch C) Firewall D) Proxy server Question 9: Which layer in the OSI model covers routing between networks? A) Physical B) Data Link C) Network D) Transport Question 10: What network equipment can reduce problems related to broadcasts? A) Switch B) Hub C) Router D) Bridge