NWC203c - BĐFC - Course 4 Complete Solutions
Which of the following protocols work at IP layer?
1 / 1 point
a. ICMP
b. ARP
c. IGMP
d. All of the above d
Which of the following packet header length cannot be used in an IPv4 packet header?
1 / 1 point
a. 20 Bytes
b. 30 Bytes
c....
Which of the following protocols work at IP layer?
point
a. ICMP
b. ARP
c. IGMP
d. All of the above ✅d
Which of the following packet header length cannot be used in an IPv4 packet header?
point
a. 20 Bytes
b. 30 Bytes
c. 60 Bytes
d. 64 Bytes ✅b
How many bits used for header checksum in IPv4 packets?
point
a. 8 bits
b. 16 bits
c. 32 bits
d. None of the above ✅b
What is the dotted notation of an IP address of 10000000 10000111 01000100 00000101 ?
point
a. 128.135.65.5
b. 128.135.65.5
,c. 128.135.68.5
d. 128.133.68.5 ✅c
Given a network address 128.100.0.0, what is its network class type?
point
a. Class A
b. Class B
c. Class C
d. None of the above ✅b
Which of the following is provided at the IP layer
point
a. Connectionless
b. Best effort delivery service
c. Both of the above
d. None of the above ✅c
Question 7
You need to subnet a network that has 5 subnets, each with at least 16 hosts. Which will be your closest
choice
point
a. 255.255.255.224
b. 255.255.255.192
c. 255.255.255.240
d. 255.255.255.248 ✅a
What is the subnetwork number of a host with an IP address of 172.16.66.0/21
point
a. 172.16.48.0
, b. 172.16.64.0
c. 172.16.0.0
d. 172.16.36.0 ✅b
Question 9
What is the first valid host on the subnetwork that the node 172.30.190.198/24 belongs to?
point
a. 172.30.190.0
b. 172.30.190.1
c. 172.30.190.100
d. None of the above ✅b
Question 10
Based on 1.1.1.0/24, the IP address would be:
point
a. Class A
b. Class B
c. Class C
d. Class D ✅a
Which of following is the range of IPv4 addresses spanned by Class C?
point
a. 1.0.0.0 to 127.255.255.255
b. 128.0.0.0 to 191.255.255.255
c. 192.0.0.0 to 223.255.255.255
d. None of the above ✅c
Question 2
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