网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
单选题
NEWS BROADCAST 1 Questions 6 and 7 are based on the following news. At the end of the news item, you will be given 20 seconds to answer the questions. Now listen to the news. Greek bonds is downgraded as junk status because
A
share prices in New York and London fell by over 2％.
B
the Greek debt crisis could spread to other countries.
C
the bond holders may not be repaid in full.
D
Greek bonds could trigger a financial crisis.
参考答案
参考解析
解析：
原因判断题。新闻录音中谈到，Standard & Poor’s给了希腊债券一个所谓的垃圾级别的估价，因为债券持有人无法获得全额回报的风险将不断增大。由此可知，希腊债券下滑至垃圾地位是由于债券持有人可能无法获得全额回报，故C项为正确答案。题干中含有示词组junk status，考生在听录音时应注意听后面的原因。
更多 “单选题NEWS BROADCAST 1 Questions 6 and 7 are based on the following news. At the end of the news item, you will be given 20 seconds to answer the questions. Now listen to the news. Greek bonds is downgraded as junk status becauseA share prices in New York and London fell by over 2％.B the Greek debt crisis could spread to other countries.C the bond holders may not be repaid in full.D Greek bonds could trigger a financial crisis.” 相关考题
考题
The reason why lesson six skips the puzzle questions is that they are associated with the expertise based on the content of a particular subject which is likely irrelevant to a layman.()
考题
Questions 59-60 are based on the following informationA hash table With hash functionH1(k)=k mod 13Is shown below．Collision is resolved using the hash function H2(k)=(k mod 11)+1How many key comparisons occur in searching for key 35 in the given hash table?A．0B．1C．2D．3
考题
VE1 is a switch in the Ezonexam network. Why will VE1 never learn the broadcast address?A. Broadcast frames are never sent to switchesB. A broadcast frame. is never forwarded by a switchC. Broadcasts only use network layer addressingD. A broadcast address will never be the source address of a frameE. Broadcast addresses use an incorrect format for the switching tableF. None of the above
考题
请将主机ns.test.com的/etc/sysconfig/network-scripts/ifcfg-eth0文件的(6)～(7)空缺处的配置内容填写完整，请回答相关问题：DEVICE=eth0IPADDR=(6)NETMASK=255.255.255.0NETWORK=(7)BROADCAST=255.255.255.255NBOOT=yes若将“BROADCAST=255.255.255.255”语句修改为“BROADCAST=192.168.1.255”，则对网络有什么影响? (请简要说明理由)
考题
Refer to the exhibit. Based on the output from the show command on RT1which statement is true? ()
A. OSPFv3 uses global IPv6 addresses to establish neighbor adjacencies.B. RT1 has a subnet mask of 64 bits .C. RT1 has FastEthernet0/0 set as a DR for network type broadcast.D. OSPFv3 uses Link - local addresses to establish neighbor adjacencies.E. RT1does not have a global IPv6 address set on FastEthernet0/0.F. OSPFv3 uses IPv4 addresses to establish nei ghbor adjacencies.
考题
The user of Host1 wants to ping the DSL modem／router at 192.168.1.254. Based on the Host1 ARP table that is shown in the exhibit, what will Host1 do()。
A.send a unicast ARP packet to the DSL modem/routerB.send unicast ICMP packets to the DSL modem/routerC.send Layer 3 broadcast packets to which the DSL modem/router respondsD.send a Layer 2 broadcast that is received by Host2, the switch, and the DSL modem/router
考题
Questions 47-49 refer to the following letter.
Tampa Daily News - Available in Print and Online
The Tampa Daily News has two versions of its printed newspaper available online.One version ______ the printed edition, including the editorial and news pages.A. is the same
B. has the same
C. is the same as
D. as has the same
考题
Which best represents a typical attackthat takes advantage of RFC 792， ICMPType 3 messages？（）A、 Blind connection-resetB、 Large packet echo requestC、 Packet fragmentation offsetD、 Broadcast-based echo requestE、 Excessive bandwidth consumption
考题
What are three benefits of implementing vlans？（）A、A more efficient use of bandwidth can be achieved allowing many physical groups to use the same network infrastructureB、Broadcast storms can be mitigated by decreasing the number of broadcast domains，thus increasing their sizeC、A higher level of network security can be reached by separating sensitive data traffic from other network trafficD、Port-based vlans increase switch-port use efficient，thanks to 802.1Q trunksE、A more efficient use of bandwidth can be achieved allowing many logical networks to use the same network infrastructureF、Broadcast storms can be mitigated by increasing the number of broadcast domains，thus reducing theirsizeG、VLANs make it easier for IT staff to configure new logical groups，because the vlans all belong to thesame broadcast domain
考题
What are two advantages of Layer 2 Ethernet switches over hubs?（）A、decreasing the number of collision domainsB、filtering frames based on MAC addressesC、allowing simultaneous frame transmissionsD、increasing the size of broadcast domainsE、increasing the maximum length of UTP cabling between devices
考题
Which of the following statements are true regarding bridges and switches?（）A、Switches are primarily software based while bridges are hardware based.B、Both bridges and switches forward Layer 2 broadcasts.C、Bridges are frequently faster than switches.D、Switches have a higher number of ports than most bridges.E、Bridges define broadcast domains while switches define collision domains.F、Both bridges and switches make forwarding decisions based on Layer 2 addresses.
考题
What are three benefits of implementing vlans?（）A、A more efficient use of bandwidth can be achieved allowing many physical groups to use the same network infrastructureB、Broadcast storms can be mitigated by decreasing the number of broadcast domains,thus increasing their size.C、A higher level of network security can be reached by separating sensitive data traffic from other network traffic.D、Port-based vlans increase switch-port use efficient,thanks to 802.1Q trunksE、A more efficient use of bandwidth can be achieved allowing many logical networks to use the same network infrastructure.F、Broadcast storms can be mitigated by increasing the number of broadcast domains,thus reducing their size.G、VLANs make it easier for IT staff to configure new logical groups,because the vlans all belong to the same broadcast domain.
考题
单选题What does a unicast prefix-based IPv6 multicast address start with？（）A
FF80B
FF3C
FFD
FF7
考题
单选题CONVERSION 1 Questions1 to 5 are based on a conversation. At the end of the conversation you will be given 10 seconds to answer each of the following five questions. Now listen to the conversation. Gary prefers The Timesto The Heraldand City JournalbecauseA
it devotes more pages to spots events.B
it puts the horoscopes on the front page.C
it has a much longer history.D
it contains more pictures.
考题
单选题NEWS BROADCAST 2 Question 8 is based on the following news. At the end of the news item, you will be given 10 seconds to answer the question. Now listen to the news. Which of the following is CORRECT about the latest earthquake in Indonesia?A
It led to a terrible tsunami at 7: 30.B
More than 1,000 people have died.C
Buildings were shaken in Padang.D
No severe damage has been caused.
考题
单选题INTERVIEW 1 Questions 1 to 5 are based on an interview. At the end of the interview you will be given 10 seconds to answer each of the following five questions. Now listen to the interview. Juliet became a taxi driver becauseA
she owned a car.B
she drove well.C
she liked drivers’ uniforms.D
it was her childhood dream.
考题
判断题There are questions with regard to the usefulness of the computer-based technologies for they have never been tested before.A
对B
错
考题
单选题如何实现文章表news，id字段值为5记录的点击数字段num自增（）。A
Update news set num=num+1；B
Update news set num=num+1 where id==5C
Update news set num=num++ where id=5D
Update news set num=num+1 where id=5
考题
单选题NEWS BROADCAST 3 Questions 9 and 10 are based on the following news. At the end of the news item, you will be given 20 seconds to answer the questions. Now listen to the news.The process of rescuing trapped miners is slow due toA
the difficulties of getting down into the coal mine.B
the great casualties of the mining accident.C
the risk of catching infectious disease.D
the continuous blasts inside the coal mine.
考题
单选题Which best represents a typical attackthat takes advantage of RFC 792， ICMPType 3 messages？（）A
Blind connection-resetB
Large packet echo requestC
Packet fragmentation offsetD
Broadcast-based echo requestE
Excessive bandwidth consumption
考题
问答题Practice 1Directions: In this part of the test, you will answer three questions based on the information provided. You will have 30 seconds to read the information before the questions begin. For each question, begin responding immediately after you hear a beep. No additional preparation time is provided. You will have 15 seconds to respond to Questions 1 and 2 and 30 seconds to respond to Question 3.Practice 1 Question 1: How much are tickets? Question 2: I heard Time Against Time was coming out. Is it playing there yet? Question 3: I might not be able to go to the theater until 7:30. Which movies are playing at around that time?
考题
多选题What are two advantages of Layer 2 Ethernet switches over hubs？（）Adecreasing the number of collision domainsBfiltering frames based on MAC addressesCallowing simultaneous frame transmissionsDincreasing the size of broadcast domainsEincreasing the maximum length of UTP cabling between devices
考题
多选题With regard to bridges and switches, which of the following statements are true?（）ASwitches are primarily software based while bridges are hardware based.BBoth bridges and switches forward Layer 2 broadcasts.CBridges are frequently faster than switches.DSwitches typically have a higher number of ports than bridges.EBridges define broadcast domain while switches define collision domains.FBoth bridges and switches make forwarding decisions based on Layer 2 addresses.
考题
单选题BBS的全称是（ ）。A
B1og board systemB
Bulletin broadcast serviceC
B1og broadcast serviceD
Bulletin board system
考题
单选题INTERVIEW2 In this section you will hear everything ONCE ONLY. Listen carefully and then answer the questions that follow. Mark the best answer to each question on ANSWER SHEET TWO. Questions 1 to 5 are based on an interview. At the end of the interview you will be given 10 seconds to answer each of the following five questions. Now listen to the interview. Which of the following is NOT Vera’s tip for finding a new job?A
Narrow down the scope of search.B
Decide what you value the most.C
Do some soul searching.D
Make your resume distinctive.
考题
单选题NEWS BROADCAST 4 Questions 8 and 9 are based on the following news. At the end of the news item, you will be given 20 seconds to answer the questions. Now listen to the news. Top officials of several U. S. intelligence agencies believe thatA
the country’s security is not good enough.B
the U. S. will face an attempted terrorist threat.C
there will be no actual attack in the U.S.D
an anti-terrorism practice will be held in the following months.
考题
单选题NEWS BROADCAST 5 Questions 7 and 8 are based on the following news. At the end of the news item. you will be given 20 seconds to answer the questions. Now listen to the news.Which manufacturer’s sales dropped the most in percentage in June?A
Chrysler.B
Daimler Chrysler.C
General Motors.D
Ford.
热门标签
最新试卷