Chapter 8 And 9
WIRELESS NETWORKS 2 CHAPT 8 TCP/IP INTERNETWORKING CHAPT 9
- 1.802.11i is attractive compared with WPA because?
- A.
Many older devices can be upgraded to 802.11i
- B.
802.11i offers stronger security
- C.
802.11i was standardized by the Wi-Fi Alliance
- D.
802.11i offers quality of service
- E.
All of the above
- 2.What is the strongest security protocol for 802.11 today?
- A.
802.11s
- B.
802.11i
- C.
WPA
- D.
802.11X
- E.
WEP
- 3.What damage can an evil twin access point do?
- A.
Eavesdrop on communication
- B.
Steal important keys or other information transmitted by the client.
- C.
Launch attacks against corporate servers.
- D.
All of the above
- E.
Only A and B
- 4.Which of the folowing secures communication between the wireless computer and the server it wishes to use against evil twin attacks?
- A.
IPsec.
- B.
VPNs
- C.
VLANs
- D.
PEAP
- E.
SSL/TLS
- 5.What security protocol originally came with 802.11 equipment?
- A.
802.11i
- B.
802.11e
- C.
WEP
- D.
WPA
- 6.The Network part of an IP address is ____________ bits long?
- A.
8
- B.
32
- C.
16
- D.
24
- E.
The size of the network part varies.
- 7.A mask has __________ bits?
- A.
8
- B.
24
- C.
16
- D.
32
- E.
The number of bits varies.
- 8.In a network mask, the 1's correspond to the ____________?
- A.
Subnet part
- B.
Network part
- C.
Host part
- D.
None of the above
- 9.In the subnet mask the 1's correspond to the ____________?
- A.
Subnet part
- B.
Network part
- C.
Host part
- D.
None of the above.
- 10.If /14 is the network mask, how many bits are there in the subnet part?
- A.
18
- B.
16
- C.
14
- D.
8
- E.
We cannot say.
- 11.If /14 is the network mask, how many bits are there in the host part?
- A.
18
- B.
8
- C.
14
- D.
16
- E.
We cannot say.
- 12.If /14 is a subnet mask, how many bits are there in the host part?
- A.
14
- B.
16
- C.
18
- D.
8
- E.
We cannot say.
- 13.The default row ___________?
- A.
Always has the mask /16
- B.
Will always match the IP address of an incoming packet
- C.
Both A and B
- D.
Neither A nor B
- 14.Row 2707 has the mask /16 and the reliability metric 20. Row 4400 has the mask /14 and the cost metric 10. Which row will the router choose if both are matches?
- A.
2707
- B.
4400
- C.
Either A or B
- D.
The router will choose the default row.
- 15.Row 2707 has the mask /16 and the speed metric 20. Row 4400 has the mask /16 and the speed metric 10. Which row with the router choose if both are matches?
- A.
2707
- B.
4400
- C.
Either A or B
- D.
The router will choose the default row.
- 16.Routers send packets out ________?
- A.
Plugs
- B.
Connections
- C.
Ports
- D.
Interfaces
- 17.To deliver an arriving packet to a destination host on a subnet connected to router, the router needs to know the destination host's __________?
- A.
IP address
- B.
Data link layer address
- C.
Both A and B
- D.
Neither A and B
- 18.Fragmentation is __________?
- A.
Suspicious because it is often used by hackers
- B.
Very common
- C.
Both A and B
- D.
Neither A nor B
- 19.A (n)_________specifies a particular application on a particular host.
- A.
Socket
- B.
IP address
- C.
Port number
- D.
None of the above
- 20.Which TCP/IP interior dynamic routing protocol is simple to manage?
- A.
OSPF
- B.
RIP
- C.
BGP
- D.
Both B and C
- 21.Which interior dynamic routing protocol is good for large internets?
- A.
RIP
- B.
OSPF
- C.
BGP
- D.
Both B and C
- 22.___________is used for supervisory messages at the internet layer.
- A.
DNS
- B.
TCP
- C.
DHCP
- D.
ICMP
- 23.In MPLS, the interface to send the packet back out will be decided ___________?
- A.
On the basis of the previous packet going to the packet's IP address.
- B.
Before the packet arrives
- C.
During the router's routing process
- D.
None of the above
- 24.Label-switching router base their decisions on a packet's__________?
- A.
Label number
- B.
IP address
- C.
Both A and B
- D.
Neither A nor b
- 25.In MPLS, the __________adds the label to the packet.
- A.
Source host
- B.
First label-switching router
- C.
Both A an B
- D.
Neither A nor B
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