Firewall filters can be used to accept, discard, or reject packets based on （）A、protocol typeB、MAC addressC、TCP or UDP portD、source and destination IP address

题目

Firewall filters can be used to accept, discard, or reject packets based on （）

A、protocol type
B、MAC address
C、TCP or UDP port
D、source and destination IP address

参考答案和解析

正确答案:A,C,D

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相似问题和答案

第1题：

What does a Layer 2 switch use to decide where to forward a received frame?()

A. source MAC address

B. source IP address

C. source switch port

D. destination IP address

E. destination port address

F. destination MAC address

参考答案：F

第2题：

What are three values that must be the same within a sequence of packets for Netflow to consider them a network flow?()

A.source IP address

B.source MAC address

C.egress interface

D.ingress interface

E.destination IP address

F.IP next-hop

参考答案：A, D, E

第3题：

In JUNOS software with enhanced services, which three packet elements are inspected to determineif a session already exists? ()(Choose three.)

A. IP protocol

B. IP time-to-live

C. source and destination IP address

D. source and destination MAC address

E. source and destination TCP/UDP port

参考答案：A, C, E

第4题：

What are three values that must be the same within a sequence of packets for Netflow to consider them a network flow?（）

A、source IP address
B、source MAC address
C、egress interface
D、ingress interface
E、destination IP address
F、IP next-hop

正确答案:A,D,E

第5题：

What is the effect of the following access list condition access－list 101 permit ip 10.25.30.0 0.0.0.255 any()。

A.permit all packets matching the first three octets of the source address to all destinations

B.permit all packets matching the last octet of the destination address and accept all source addresses

C.permit all packets from the third subnet of the network address to all destinations

D.permit all packets matching the host bits in the source address to all destinations

E.permit all packets to destinations matching the first three octets in the destination address

参考答案：A

第6题：

What is the result of issuing the frame－relay map ip 192.168.1.2 202 broadcast command?()

A. defines the source IP address that i s used in all broadcast packets on DLCI 202

B. defines the DLCI that is used for all packets that are sent to the 192.168.1.2 IP address

C. defines the destination IP address that is used in all broadcast packets on DLCI 202

D. defines the DLCI on which packets from the 192.168.1.2 IP address are received

参考答案：B

第7题：

What three pieces of information can be used in an extended access list to filter traffic (Choose three.)()。

A.protocol

B.VLAN number

C.TCP or UDP port numbers

D.source switch port number

E.source IP address and destination IP address

F.source MAC address and destination MAC address

参考答案：A, C, E

第8题：

Firewall filters can be used to accept, discard, or reject packets based on ()

A. protocol type

B. MAC address

C. TCP or UDP port

D. source and destination IP address

参考答案：A, C, D

第9题：

What is the result of entering the command port-channel load-balance src-dst-ip on an EtherChannel link？（）

A、Packets are distributed across the ports in the channel based on both the source and destination MAC addresses.
B、Packets are distributed across the ports in the channel based on both the source and destination IP addresses.
C、Packets are balanced across the ports in the channel based first on the source MAC address， then on the destination MAC address， then on the IP address.
D、Packets are distributed across the access ports in the channel based first on the source IP address and then the destination IP addresses.

正确答案:B

第10题：

The EtherChannel between your LAN switch and the Internet router is not load-balancing efficiently. On the switch，there are several workstations with valid IP ranges. Which load-balance algorithms can you use in the switch in order to optimize this load balancing？（）

A、source IP address
B、destination IP address
C、per-packet load balance
D、destination MAC address
E、source MAC address

正确答案:A,B,D,E

Firewall filters can be used to accept, discard, or reject packets based on （）A、protocol typeB、MAC addressC、TCP or UDP portD、source and destination IP address

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