1. Please select all of the valid IP addresses. Check all that apply.
- 8.8.8.8
- 123.456.123.456
- 192.168.1.1
- 257.70.312.49
2. How many IP addresses does a class C network have?
- 16,777,216 addresses
- 256 addresses
- 65,536 addresses
- 1 address
3. Which IP address class has the first two octets reserved for the network ID and the last two octets for the host ID?
- Class B
- Class A
- Class E
- Class C addresses
4. The ____ is used to indicate that the datagram is allowed to be fragmented or to indicate that the datagram has already been fragmented.
- service type field
- fragmentation offset field
- total length field
- flag field
5. The IP address assigned to a device would depend on the _______ it is connected.
- network
- ARP
- MAC addresses
- IP datagram
6. What does CIDR stand for?
- Classful Identification Routing
- Class Interconnect Destination Routing
- Classful Interlink-Destination Routing
- Classless Inter-Domain Routing
7. Which of the following is a correct form of CIDR notation?
- 192.168.1.0 + 255.255.255.0
- 192.168.1.0/24
- 192.168.1.0:24
- 192.168.1.0\24
8. How many octets does a subnet mask have?
- 4
- 1
- 3
- 2
9. Consider the following scenario:
Your IP address is 192.168.8.34, and your subnet mask is 255.255.0.0. What part of the subnet mask represents the subnet ID?
- The last two octets of the subnet mask, 0.0
- The first two octets of the subnet mask, 255.255
- 192.168.0.254
- 255.255.0.1
10. How many possible host IDs do you always lose per network?
- 2
- 12
- 4
- 8
11. Which of the following are types of Interior Gateway Protocols? (Select all that apply)
- Link State Routing Protocols
- Distance-Vector Protocols.
- Hypertext Transfer Protocol
- Transmission Control Protocol
12. Who is permitted to use non-routable address space?
- It’s for testing purposes only
- The IANA
- The IETF
- Anyone
13. A typical routing table may contain which of the following? Check all that apply.
- Total Hops
- TTL
- Destination Network
- Destination address
14. What is the difference between Interior Gateway Protocols and Exterior Gateway Protocols?
- Interior gateway protocols share information with public networks. Exterior gateway protocols are used for private networks.
- Interior Gateway Protocols share information within a single autonomous system. Exterior Gateway Protocols are used for the exchange of information between multiple autonomous systems.
- Interior gateway protocols share information with multiple autonomous systems. Exterior Gateway Protocols are used for the exchange of information between independent autonomous systems.
- There is no difference between them.
15. Which of the following are non-routable IP addresses? (Select all that apply)
- 172.16.0.0/12
- 192.168.0.0/16
- 9.0.0.0
- 10.0.0.0/8
16. No matter where a device is used, what address will stay the same regardless of the network it is attached to?
- Physical, or MAC, address
- Dynamic IP address
- Static IP address
- EIN serial
17. There are ____ octets in an IP address.
- 16
- 8
- 2
- 4
18. What is the process of taking a single IP datagram and splitting it up into several smaller datagrams called?
- Fragmentation
- Clustering
- NAT firewall
- Load balancing
19. In a Class A address, the possible values for the first octet are:
- 0 through 127
- 255 through 420
- 0 through 255
- 128 through 199
20. What does ARP stand for?
- Anonymous Resource Protocol
- Augmented Resolution Picture
- Address Resolution Protocol
- Aggressive Resource Protection
21. What does CIDR stand for?
- Costless Inter-Data Routing
- Classless Inter-Domain Routing
- Clear Inter-Developer Relations
- Classic Intra-Demo Ratings
22. A router is performing basic routing functions. What is the first step in the transmission of a packet?
- The router examines the destination IP of this packet.
- Sent an ARP response.
- Check the routing table.
- A router receives a packet of data.
23. Link state routing protocols are newer and they require…
- Modern encryption standards
- Manual updating
- Less memory and less processing power
- More memory and more processing power
24. What organization helps manage IP address allocation and autonomous system number allocation?
- ICANN
- INNA
- IANA
- IBM
25. What does RFC stand for?
- Realtime Frame Check
- Request For Comments
- Redundant Frame Controller
- Routing Frequency Control
26. What is eight bits of data called?
- Octuplet
- Figure eight
- Octoploid
- Octet
27. How many bits long is an IP address?
- 64 bits
- 32 bits
- 8 bits
- 256 bits
28. Which IP address is Class C?
- 128.42.39.72
- 172.38.14.72
- 224.24.45.69
- 192.37.48.98
29. When describing blocks of IP addresses, what does CIDR do?
- Interpolates data across multiple servers
- Calls back to the source router for confirmation
- Uses subnet masks to demarcate networks.
- Encrypts the header data
30. What protocol communicates data between routers representing the edges of autonomous systems?
- Distance-vector
- Link state
- Interior gateway
- Exterior gateway
31. Which of the following IP address ranges have been defined as non-routable address space? Select all that apply.
- 192.168.0.0/16
- 172.16.0.0/12
- 255.255.255.0/1
- 10.0.0.0/8
32. In a datagram, what does the flag field indicate?
- If a datagram should be scanned for viruses
- If a datagram has degraded and become unusable
- If a datagram is high or low priority
- If a datagram is allowed to or has already been fragmented
33. A router is performing basic routing functions. What is the second step in the transmission of a packet?
- A router receives a packet of data.
- The router examines the destination IP of this packet.
- Check the routing table.
- Sent an ARP response.
34. Ranges of IP addresses anyone can use for their internal networks are known as ______.
- MAC address
- Non-routable address space
- Subnet mask
- IP address
35. Which of the following is a valid IP address?
- 598.36.789
- 126.396.659.100
- 128.42.64.78
- A8:97:4F:6D:H6:0F
36. A single octet in an IP address represents what range of decimal numbers?
- 0-255
- 0-250
- 1-255
- 0-155
37. A router is performing basic routing functions. What is the third step in the transmission of a packet?
- The router looks up the destination network in its routing table.
- The router forwards the packet.
- The router examines the destination IP.
- A router receives a packet of data.
38. Generally, what are Class E IP addresses used for?
- CIDR
- Multicasting
- Broadcasting
- Testing
39. Why do entries in a local Address Resolution Protocol (ARP) table expire after a short amount of time?
- To keep space in the table
- It will use too much memory
- It only needs to be used one time
- To account for network changes
40. QoS services are protocols that allow routers to make decisions about which IP datagram may be more important than others. Under which IP header field would QoS details be found?
- Total length field
- Identification field
- Service Type field
- Fragmentation offset field
41. What is the purpose of an ARP response?
- To improve authentication security
- To prevent a flood of UDP packets
- To let a broadcasting node know what is the MAC address to put into the destination hardware address field
- To send an ACK message to the broadcasting computer
42. What is one main reason CIDR is helpful in modern networking?
- CIDR increases network security with no additional resources
- CIDR simplifies MAC address assignment
- CIDR lowers the amount of power needed to run a server
- CIDR allows for more arbitrary network sizes
43. Interior gateway protocols are used by routers in order to share information within a single…
- subnet
- autonomous system
- collision domain
- destination network
44. How many bits long is an Autonomous System Number (ASN)?
- 32
- 8
- 64
- 16
