CISCO Cyberops Security Fundamentals Section 01: TCP/IP Protocol Suite (Q 51-60)
10 Questions
| Total Attempts: 95
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Questions and Answers
- 1.Which one of the following options must a host on an Ethernet network know about a destination in order to send an Ethernet frame to that destination?
- A.
Receiving port number
- B.
IP address
- C.
MAC address
- D.
Window size
- 2.On which OSI layer or layers does ARP operate?
- A.
Between Layer 2 and Layer 3
- B.
At Layer 2
- C.
At Layer 3
- D.
Between Layer 1 and Layer 2
- 3.ARP messages are sent using which Ethertype designation in the frame header?
- A.
0x2100
- B.
0x0800
- C.
0x8100
- D.
0x0806
- 4.Which one of the following options is the type of request that is sent by a host to discover the MAC address belonging to an IP address?
- A.
Ping request
- B.
ARP request
- C.
RARP request
- D.
DCHP request
- E.
BOOTP request
- 5.Which one of the following options is the MAC address that a host would use to send broadcast messages if its own MAC address is 0800:0222:2222?
- A.
0000:0000:0000
- B.
0800:0222:FFFF
- C.
0800:FFFF:FFFF
- D.
FFFF:FFFF:FFFF
- 6.Which two of the following options are common DHCP attacks? (Choose two.)
- A.
DHCP starvation
- B.
DHCP tunneling
- C.
Rogue DHCP server
- D.
DHCP amplification
- 7.How many messages are exchanged in a DHCP transaction?
- A.
One
- B.
Two
- C.
Three
- D.
Four
- 8.What is the destination port defined in the DHCP Discover message?
- A.
66 UDP
- B.
66 TCP
- C.
67 TCP
- D.
67 UDP
- 9.What is the destination port defined in the DHCP Offer message?
- A.
69 UDP
- B.
69 TCP
- C.
68 UDP
- D.
68 TCP
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