板式塔流体流动性能的测定：造成漏液现象的原因有哪些？
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一般论文评分标准是：撰写论文的成绩占42％、论文答辩的成绩占（）。
A. 45％
B. 40％
C. 35％
D. 58％
中华人民共和国第一套特种邮票于1951年10月1日发行的特1《（）》邮票。
You need to recommend a VPN solution for the new sales office. The solution must support the company's planned changs. What should you include in the recommendation？（）
A. Internet Key Exchange version 2 （IKEv2）
B. Layer 2 Tunneling Protocol （L2TP）
C. Point-to-Point Tunneling Protocol （PPTP）
D. Secure Socket Tunneling Protocol （SSTP）
What is one of the reasons that custom QoS ACLs are recommended over automatic QoS when configuring ports on a Catalyst 6500 for use with IP phones?（）
A. 79xx IP phones do not automatically mark voice packets with non-zero DSCP values.
B. 79xx IP phones do not mark protocol packets such as DHCP, DNS, or TFTP with non-zero DSCP values.
C. 79xx IP phones do not mark voice packets with optimal DSCP values.
D. 79xx IP phones use a custom protocol to communicate CDP information to the switch.
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