juniper认证考试
Which two statements about the use of SCREEN options are correct? （）(Choose two.)A、SCREEN options offer protection against various attacksB、SCREEN options are deployed prior to route and policy processing in first path packet processingC、SCREEN options ar
题目
Which two statements about the use of SCREEN options are correct? （）(Choose two.)
- A、SCREEN options offer protection against various attacks
- B、SCREEN options are deployed prior to route and policy processing in first path packet processing
- C、SCREEN options are deployed at the ingress and egress sides of a packet flow
- D、SCREEN options, you must take special care to protect OSPF
相似问题和答案
第1题：
A. AH provides data integrity.
B. AH is identified by IP protocol 50.
C. AH is identified by IP protocol 51.
D. AH cannot work in conjunction with ESP
第2题：
Which two statements about VACLs on Cisco Nexus 7000 Series Switches are true？ （）
- A、 A single VACL can be shared across two or more VDCs.
- B、 Use of VACLs requires no special license to be installed.
- C、 VACLs make use of IP or MAC ACLs.
- D、 Only options drop and forward are permitted.
正确答案:B,C
第3题：
Which of the following statements about ORACLE is (are) correct?
Ⅰ.ORACLE follows SQL standard
Ⅱ.ORACLE database defines two logical types: table and view
A．Ⅰonly
B．Ⅱ only
C．Ⅰ and Ⅱ
D．none of the above
第4题：
Which two statements about static NAT translations are true?（）
- A、They are always present in the NAT table.
- B、They allow connection to be initiated from the outside.
- C、They can be configured with access lists, to allow two or more connections to be initiated from the outside.
- D、They require no inside or outside interface markings because addresses are statically defined.
正确答案:A,B
第5题：
Which two statements are true about traffic shaping？（）
- A、Out-of-profile packets are queued.
- B、It causes TCP retransmits.
- C、Marking/remarking is not supported.
- D、It does not respond to BECN and ForeSight Messages.
- E、It uses a single/two-bucket mechanism for metering.
正确答案:A,C
第6题：
A. 1 is the default precedence.
B. A lower number is preferred.
C. A higher number is preferred.
D. 100 is the default precedence.
第7题：
Which two statements are true about L2TP tunnels?（） (Choose two.)
- A、Traffic is clear text
- B、Traffic is encrypted
- C、They are initiated by the LNS
- D、They are initiated by the LAC
正确答案:A,D
第8题：
A. PAT is not supported.
B. PAT is enabled by default.
C. It supports the address-persistent configuration option.
D. It supports the junos-global configuration option.
第9题：
Which two statements are true about the digital audio in a VoIP network？ （）
- A、 Standard encoding techniques create an uncompressed digital data rate of 4000 bps.
- B、 Standard encoding techniques create an uncompressed digital data rate of 8000 bps.
- C、 Standard encoding techniques create an uncompressed digital data rate of 64，000 bps.
- D、 Voice quality is not a concern if compression is not used.
- E、 Two methods of quantization are linear and logarithmic.
- F、 Two methods of compression are u-law and a-law.
正确答案:C,E
第10题：
Which two statements about OSPF IPv6 routing are true？（）
- A、It requires OSPF version 3.
- B、automatically detects neighbors over NHMA interfaces
- C、It supports encryption using
- D、It uses LSA type 9
- E、It uses LSA type 8
正确答案:A,E