Test your basic knowledge |

IPV4 Addressing

Subject : it-skills

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. What is ICMP Type 0?
Open Systems Interconnection
Echo Reply
Uniquely identify every application in the network
Router(config)#ip netmask-format {bit-count | decimal | hexadecimal}

2. What is NIR?
Open Systems Interconnection
National Internet Registry
Class A 1-126; Class B 128-191; Class C 192-223; Class D 224-239; Class E 240-254
Local Internet Registry

3. Who allocates IP address space and AS numbers to RIRs?
Per-Hop Behaviour (PHB)
IANA
20 octets
Used by routers to notify hosts of another router on the data link that should be used for a particular destination

4. What are the IP Precedence values?
0 Routine; 1 Priority; 2 Immediate; 3 Flash; 4 Flash Override; 5 Critical; 6 Internetwork Control; 7 Network Control
1-2 Network interface; 3 Internet; 4 Host-to-host; 5-7 Application
Time Exceeded
Address Resolution Protocol

5. What is IP?
Synchronize
Padding of zeros to ensure that the header ends on a 32-bit boundary
Internet Protocol
LIRs

6. What is prefix /27 in decimal notation?
64
Number of octets - starting with the octet indicated by the Acknowledgement Number - that the receiver will accept from the sender before the sender must stop transmitting and wait for a new Acknowledgement
255.255.255.224
255.255.255.240

7. What is ICMP Type 3?
Router(config-if)#no ip redirects
1
88
Destination Unreachable

8. What is the IPv4 Protocol number for TCP?
192.88.99.0/24
46
6
IP Precedence (3-bit); ToS (4-bit); Reserved (1-bit)

9. What TCP/IP protocol suite layer corresponds to the session - presentation and application layers of the OSI model?
Router(config)#ip netmask-format {bit-count | decimal | hexadecimal}
Application
Internet Control Message Protocol
0

10. What is the IPv4 Protocol number of RSVP?
Router#debug arp
169.254.0.0/16
60 octets
46

11. What is the format of a TCP header?
DHCP
Internet Corporation for Assigned Network Numbers
Maximum Segment Size (MSS)
Source Port (16-bit); Destination Port (16-bit); Sequence Number (32-bit); Acknowledgement Number (32-bit); Header Length (4-bit); Reserved (4-bit); Flags (8-bit); Windows Size (16-bit); Checksum (16-bit); Urgent Pointer (16-bit); Options; Padding

12. What is ECE?
ECN-Echo
An ARP request issued by a host with its own IPv4 address as the target address
Reserved (1-bit); DF (1-bit); MF (1-bit)
RFC 1918

13. Who is responsible for maintaining the official assignments of TCP and UDP port numbers for specific uses?
IANA
Class A 0; Class B 10; Class C 110; Class D 1110; Class E 1111
3
Congestion Window Reduced

14. What are the uses of gratuitous ARP?
Offset - in units of eight octets - from the beginning of the original header to the beginning of the fragment
64
Per-Hop Behaviour (PHB)
Duplicate address checks; Advertise new data-link identifiers; Update the ARP caches of hosts

15. What is IANA?
1
Source Port (16-bit); Destination Port (16-bit); Sequence Number (32-bit); Acknowledgement Number (32-bit); Header Length (4-bit); Reserved (4-bit); Flags (8-bit); Windows Size (16-bit); Checksum (16-bit); Urgent Pointer (16-bit); Options; Padding
ECN-Echo
Internet Assigned Numbers Authority

16. What is the ARP Protocol type value for IPv4?
Router Selection
3
Padding of zeros to ensure that the header ends on a 32-bit boundary
0x0800

17. What is ARP?
Address Resolution Protocol
Subtract Header Length field from Total Length field
Used by a host to obtain the IP address associated with another host's MAC address
Router(config)#arp {ip-address} {mac-address} arpa

18. Which RFC defines the special use IPv4 address ranges?
Address Resolution Protocol
URG flag set
RFC 3330
192.88.99.0/24

19. What is the format of the ToS byte in the IPv4 header?
Number of octets to be added to the Sequence Number to indicate the end of the urgent data
Urgent
Protocols that include subnet masks in their routing updates
IP Precedence (3-bit); ToS (4-bit); Reserved (1-bit)

20. Who administers and registers IP address space and AS numbers within a region?
Redirect
RIRs
Internet
URG flag set

21. What is the format of the DiffServ byte?
1
National Internet Registry
127.0.0.0/8
DSCP (6-bit); ECN (2-bit)

22. What field identifies where the TCP encapsulated data fits within the data stream from the sender?
0
Router(config)#arp {ip-address} {mac-address} arpa
Sequence Number
Final

23. What is the first octet rule for IPv4 address classes in binary?
Class A 0; Class B 10; Class C 110; Class D 1110; Class E 1111
Acknowledgements - checksums and timers
RFC 1918
Number of octets - starting with the octet indicated by the Acknowledgement Number - that the receiver will accept from the sender before the sender must stop transmitting and wait for a new Acknowledgement

24. What is ICMP Type 9?
Router Advertisement
Host-to-host
ICANN and IANA
Mostly large ISPs - enterprises - or academic institutions

25. Which IPv4 address range is reserved for loopback testing?
Version (4-bit); Header Length (4-bit); ToS (8-bit); Total Length (16-bit); Identifier (16-bit); Flags (3-bit); Fragment Offset (13-bit); TTL (8-bit); Protocol (8-bit); Header Checksum (16-bit); Source Address (32-bit); Destination Address (32-bit);
Duplicate address checks; Advertise new data-link identifiers; Update the ARP caches of hosts
Source Port (16-bit); Destination Port (16-bit); UDP Length (16-bit); Checksum (16-bit)
127.0.0.0/8

26. What are the steps to subnet an IPv4 address?
10.0.0.0/8; 172.16.0.0/12; 192.168.0.0/16
1 Determine how many subnets are required; 2 Determine how many hosts per subnet are required; 3 Determine the subnet mask for each subnet; 4 Calculate the network address for each subnet
IP Precedence (3-bit); ToS (4-bit); Reserved (1-bit)
Each router decrements the TTL

27. What is ICMP Type 8?
RFC 791
Transmission Control Protocol
Source Port (16-bit); Destination Port (16-bit); UDP Length (16-bit); Checksum (16-bit)
Echo

28. What TCP/IP protocol suite layer corresponds to the transport layer of the OSI model?
10.0.0.0/8; 172.16.0.0/12; 192.168.0.0/16
Host-to-host
20 octets
Regional Internet Registry

29. Which IPv4 address range is reserved for self-identification on a local subnet?
Length of header in words (32-bit)
Router#clear arp-cache [{interface {interface}} | {ip-address}]
0.0.0.0/8
IANA

30. What is ACK?
255.255.255.224
Acknowledgement
Transmission Control Protocol
Router(config)#ip arp proxy disable

31. What is PSH?
Push
Congestion Window Reduced
127.0.0.0/8
Identifier; Flags and Fragmentation Offset

32. What mechanism is used by TCP to regulate the flow of segments?
Acknowledgement
Sequence Number
Protocols that don't include subnet masks in their routing updates
Windowing

33. What is the format of the Flags field in the TCP header?
ICANN and IANA
1
CWR (1-bit); ECE (1-bit); URG (1-bit); ACK (1-bit); PSH (1-bit); RST (1-bit); SYN (1-bit); FIN (1-bit)
National Internet Registry

34. What TCP/IP protocol suite layer corresponds to the physical and data link layers of the OSI model?
255.255.255.128
Internet
Socket
Network interface

35. What is the ARP Operation value for an ARP Request?
1
Mostly large ISPs - enterprises - or academic institutions
Version (4-bit); Header Length (4-bit); ToS (8-bit); Total Length (16-bit); Identifier (16-bit); Flags (3-bit); Fragment Offset (13-bit); TTL (8-bit); Protocol (8-bit); Header Checksum (16-bit); Source Address (32-bit); Destination Address (32-bit);
Used by routers to notify hosts of another router on the data link that should be used for a particular destination

36. What are the most frequently used options in the IPv4 header?
89
Source Port (16-bit); Destination Port (16-bit); Sequence Number (32-bit); Acknowledgement Number (32-bit); Header Length (4-bit); Reserved (4-bit); Flags (8-bit); Windows Size (16-bit); Checksum (16-bit); Urgent Pointer (16-bit); Options; Padding
Loose source routing; Strict source routing; Record route; Timestamp
2

37. Which IPv4 address range is reserved for use in documentation and example code?
192.0.2.0/24
Used by IRDP on some operating systems to discover local routers
Protocols that include subnet masks in their routing updates
1 Determine how many subnets are required; 2 Determine how many hosts per subnet are required; 3 Determine the subnet mask for each subnet; 4 Calculate the network address for each subnet

38. Configures how long a dynamically learned protocol address and its corresponding hardware address remains in the ARP cache
Echo
Time Exceeded
Destination Unreachable
Router(config-if)#arp timeout {seconds}

39. Which IPv4 address range is reserved for benchmark testing of Internet devices (RFC 2544)?
Source Port (16-bit); Destination Port (16-bit); Sequence Number (32-bit); Acknowledgement Number (32-bit); Header Length (4-bit); Reserved (4-bit); Flags (8-bit); Windows Size (16-bit); Checksum (16-bit); Urgent Pointer (16-bit); Options; Padding
Reserved (1-bit); DF (1-bit); MF (1-bit)
198.18.0.0/15
Router(config-if)#no ip proxy-arp

40. What is the DF-bit in the IPv4 header?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183

41. What is the IPv4 Protocol number for OSPF?
Largest segment size that the sender is willing to accept
89
47
Acknowledgements - checksums and timers

42. Who can assign IP address space to end user organizations?
All Internet Registries
Router(config)#ip netmask-format {bit-count | decimal | hexadecimal}
Number of octets to be added to the Sequence Number to indicate the end of the urgent data
Network interface

43. What is prefix /25 in decimal notation?
255.255.255.128
Identifier; Flags and Fragmentation Offset
Don't Fragment
0x0800

44. What is ICMP Type 5?
Padding of zeros to ensure that the header ends on a 32-bit boundary
DHCP
Redirect
Per-Hop Behaviour (PHB)

45. What is URG?
Urgent
255.255.255.252
Network interface
ICANN

46. Which RFC defines the private IPv4 address ranges?
Uniquely identify every application in the network
RFC 1918
Protocols that don't include subnet masks in their routing updates
IANA

47. What is ICMP Type 10?
National Internet Registry
Router#debug arp
Router Selection
Uniquely identify every application in the network

48. What is proxy ARP?
Method where routers - by responding to ARP requests for IP addresses in different subnets - make themselves available to hosts with no default gateway configured
Reserved (1-bit); DF (1-bit); MF (1-bit)
Address Resolution Protocol
Time to Live

49. What are the most common IP version numbers?
Class A 1-126; Class B 128-191; Class C 192-223; Class D 224-239; Class E 240-254
IANA
Used by routers to notify hosts of another router on the data link that should be used for a particular destination
IPv4 and IPv6

50. What is the ARP Operation value for an ARP Reply?
1-2 Network interface; 3 Internet; 4 Host-to-host; 5-7 Application
DHCP
Number of octets to be added to the Sequence Number to indicate the end of the urgent data
2

Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?

Major Subjects
Tests & Exams AP CLEP DSST GRE SAT GMAT	Certifications CISSP go to https://www.isc2.org/ PMP ITIL RHCE MCTS More...	IT Skills Android Programming Data Modeling Objective C Programming Basic Python Programming Adobe Illustrator More...	Business Skills Advertising Techniques Business Accounting Basics Business Strategy Human Resource Management Marketing Basics More...
Soft Skills Body Language People Skills Public Speaking Persuasion Job Hunting And Resumes More...	Vocabulary GRE Vocab SAT Vocab TOEFL Essential Vocab Basic English Words For All Global Words You Should Know Business English More...	Languages AP German Vocab AP Latin Vocab SAT Subject Test: French Italian Survival Norwegian Survival More...	Engineering Audio Engineering Computer Science Engineering Aerospace Engineering Chemical Engineering Structural Engineering More...
Health Sciences Basic Nursing Skills Health Science Language Fundamentals Veterinary Technology Medical Language Cardiology Clinical Surgery More...	English Grammar Fundamentals Literary And Rhetorical Vocab Elements Of Style Vocab Introduction To English Major Complete Advanced Sentences Literature Homonyms More...	Math Algebra Formulas Basic Arithmetic: Measurements Metric Conversions Geometric Properties Important Math Facts Number Sense Vocab Business Math More...	Other Major Subjects Science Economics History Law Performing-arts Cooking Logic & Reasoning Trivia

Test your basic knowledge |

IPV4 Addressing

Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?

Let me suggest you:

Browse all subjects

Browse all tests

Most popular tests

Major Subjects

Tests & Exams

Certifications

IT Skills

Business Skills

Soft Skills

Vocabulary

Languages

Engineering

Health Sciences

English

Math

Other Major Subjects

Browse all subjects

Browse all tests

Most popular tests