PRETEST BAS-MIKROTIK

Select valid subnet masks Choose 3

• 255.255.224.0

• 255.192.0.0

• 255.255.192.255

• 192.0.0.0

• 192.168.1.1

How many layers does Open Systems Interconnection model have?

• 6

• 12

• 7

• 10

• 4

The network address is

• The last address of the subnet

• The first usable address of the subnet

• The first address of the subnet

There’s an IP address 15.242.55.62 with a subnet mask 255.255.255.224 (/27. Please choose all valid host address range within the same subnet

• 15.242.55.33-15.242.55.63

• 15.242.55.33-15.242.55.62

• 15.242.55.32-15.242.55.63

• 15.242.55.31-15.242.55.62

What is term for the hardware coded address found on an interface

• FQDN Address

• IP Address

• MAC Address

• Inteface Address

How many usable IP addresses are there in a 20-bit subnet

• 4094

• 4096

• 2048

• 2046

A network ready device is directly connected to a MikroTik RouterBOARD with a corect U.T.P. RJ45 functioning cable. The device is configured with an IPv4 address of 192.168.100.70 using a subnet mask of 255.255.255.252. What will be a valid IPv4 address for the RouterBOARD 750 for a successful connection to the device?

• 192.168.100.70/255.255.255.252

• 192.168.100.69/255.255.255.252

• 192.168.100.68/255.255.255.252

• 192.168.100.71/255.255.255.252

What protocol does ping use?

• UDP

• ICMP

• ARP

• TCP

The basic unit of a physical network OSI Layer 1 is the:

• bit

• byte

• frame

• segment

MAC layer by OSI model is also known as

• Layer 1

• Layer 2

• Layer 4

• Layer 6