Put the food in a cold place.
Cook the food well.
Dry the food by sun.
It is not told.
第1题：
A.Firewall
B.DMZ
C.Switch
D.IDS
第2题：
Which one of the following is not relevant to the others?（）
Aairport
Bairfield
Cairline
Dair-conditioned
第3题：
—Which subject do you like______?
—I like chemistry than any other one.
A. better, better
B. best, better
C. best, best
D. better, best
第4题：
Which of the following is BEST for providing network security?（）
第5题：
Which one is the most important based on the following common elements of a network design？（）
第6题：
第7题：
Router R1 learns two routes with BGP for prefix 200.1.0.0/16. Comparing the two routes, route 1 has a shorter AS_Path Length, smaller MED, the same Weight, and smaller Local PreferencE. Which of the following is true about Router R1's choice of best path for this prefix?（）
第8题：
On the topic of VLSM, which one of the following statements best describes the concept of the route aggregation?
A．Deleting unusable addresses through the creation of many subnets.
B．Combining routes to multiple networks into one supernet.
C．Reclaiming unused space by means of changing the subnet size.
D．Calculating the available host addresses in the AS.
E．None of the above
第9题：
which one of the following best where layer can be used?（）
第10题：
Which of the following is the BEST network device to allow multiple network connections to beterminated in one spot?（）