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WorksheetsNet+4.1 OB Questions
Total questions: 26
Worksheet time: 15mins
What is the primary function of the Internet Protocol (IP) header in IPv4?
To manage logical addressing and forwarding
To encrypt data
To compress data
To provide error correction.
The Version field is ____ bytes long.
0 to 4
4 to 8
8 to 16
16 to 31
Which protocol is used for status messaging and connectivity testing?
ICMP
IGMP
GRE
ESP
The IP protocol type value for TCP is 6. What is the IP protocol type value for UDP?
17
6
47
50
Fill in the blank: The Internet Group Messaging Protocol (IGMP) is used with _________.
status messaging
multicasting
tunneling
encryption
What is the main difference between Layer 2 and Layer 3 forwarding?
Layer 2 is switching, Layer 3 is routing
Layer 2 is routing, Layer 3 is switching
Both are switching
Both are routing
In the network diagram, which port of the router is connected to the ISP?
.30
.46
.254
.62
What is used within each subnet to forward frames between nodes?
IP addresses
MAC addresses
DNS addresses
Gateway addresses
Nodes within each subnet can address one another directly because they are in the same ________ domain.
network
broadcast
collision
routing
What is the primary purpose of the Address Resolution Protocol (ARP)?
To resolve domain names to IP addresses
To resolve IPv4 addresses to hardware MAC addresses
To encrypt data packets
To establish a secure connection
In the ARP process, when Host .17 wants to send a packet to Host .19, what does Host .17 do first?
It sends a direct message to Host .19
It checks its ARP cache and finds an entry
It broadcasts an ARP request to the network
It ignores the packet
Fill in the blank: In the ARP process, after Host .17 broadcasts an ARP request, hosts that do not own .19 will ______ the broadcast.
respond to
ignore
forward
store
What is the purpose of ARP in networking?
To determine the IP address of a host
To determine the MAC address of a host
To determine the subnet mask
To determine the default gateway.
ARP messaging is only used with ________.
Ethernet
Wi-Fi
Bluetooth
Fiber Optics
What is the primary difference between unicast and broadcast addressing?
Unicast sends packets to a single recipient, while broadcast sends packets to all hosts in a network.
Unicast sends packets to all hosts, while broadcast sends packets to a single recipient.
Both unicast and broadcast send packets to a single recipient.
Both unicast and broadcast send packets to all hosts.
In a broadcast addressing scheme, the broadcast address is the ______ address in any IP network or subnet.
first
middle
last
random
What is the group MAC address used for broadcasts at layer 2?
00:00:00:00:00:00
ff:ff:ff:ff:ff:ff
aa:aa:aa:aa:aa:aa
11:11:11:11:11:11
A switch floods broadcasts out of every port except the ______.
destination port
source port
first port
last port
What is the range reserved for multicast addressing in IPv4?
192.168.0.0 to 192.168.255.255
224.0.0.0 to 239.255.255.255
10.0.0.0 to 10.255.255.255
172.16.0.0 to 172.31.255.255.
In multicast addressing, packets are sent to a destination IP address from a special range configured for use with that multicast group. Fill in the blank: The range reserved for multicast addressing in IPv4 is ______.
192.168.0.0 to 192.168.255.255
224.0.0.0 to 239.255.255.255
10.0.0.0 to 10.255.255.255
172.16.0.0 to 172.31.255.255
What protocol is typically used to configure group memberships and IP addresses for multicast groups?
DHCP
IGMP
TCP
UDP
In multicast addressing, a special MAC address is used. The prefix of this MAC address is 01-005E, and the remainder expresses the multicast group IP address in ____.
binary notation
decimal notation
hex notation
octal notation
What is the primary protocol for almost everything we do on today's networks?
TCP
UDP
IPv6
IPv4
Which command can be used to look for an ip address associated with a DNS name ?
What is the main function of the Border Gateway Protocol (BGP)?
To provide email services
To route data between different networks on the internet
To encrypt data
To manage local area networks
