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
Which antenna generally has the narrowest first Fresnel zone in both the horizontal and verticalplanes?()
A

omnidirectional

B

patch

C

Yagi

D

sector

E

parabolic dish


参考答案

参考解析
解析: 暂无解析
更多 “单选题Which antenna generally has the narrowest first Fresnel zone in both the horizontal and verticalplanes?()A omnidirectionalB patchC YagiD sectorE parabolic dish” 相关考题
考题 Which bag has the __________ (much) rice,the first,the second or the third?

考题 In the Junos OS, which statement is true?() A. vlan.0 belongs to the untrust zone.B. You must configure Web authentication to allow inbound traffic in the untrust zone.C. The zone name untrust has no special meaning.D. The untrust zone is not configurable.

考题 Which security or functional zone name has special significance to the Junos OS?() A. selfB. trustC. untrustD. junos-global

考题 An environment has a DC server and an Exchange server. The administrator needs to install a patch and restart both servers while minimizing downtime. Which of the following is the BEST way to restart the servers?()A. Restart both servers at the same time so the servers are down at the same time.B. DC server first, then the Exchange server second.C. The order in which the servers are restarted does not matter.D. Exchange server first, then the DC server second.

考题 A standard installation for wireless will use which of the following antenna types?() A.SectorB.PatchC.YagiD.Omni-Directional

考题 Which security or functional zone name has special significance to the Junos OS?()A、selfB、trustC、untrustD、junos-global

考题 Which algorithm was the first to be found suitable for both digital signing and encryption?()A、HMACB、RSAC、MD5D、SHA-1

考题 Which antenna generally has the narrowest first Fresnel zone in both the horizontal and verticalplanes?()A、omnidirectionalB、patchC、YagiD、sectorE、parabolic dish

考题 A company has installed a new 802.11g point-to-point connection between two buildings and isexperiencing low throughput across the link. The current setup involves a wireless bridge on the roof with an omni-directional antenna. Which of the following would BEST improve the link performance?()A、Replace the wireless bridges with wireless access points.B、Install bi-directional amplifiers at both sites.C、Configure channel hopping on both wireless bridges.D、Replace the omni-directional antennas with Yagi antennas

考题 An environment has a DC server and an Exchange server. The administrator needs to install apatch and restart both servers while minimizing downtime.  Which of the following is the BEST way torestart the servers?()A、 Restart both servers at the same time so the servers are down at the same time.B、 DC server first, then the Exchange server second.C、 The order in which the servers are restarted does not matter.D、 Exchange server first, then the DC server second.

考题 The customer has both a Windows SAN and a separate UNIX SAN. Each of these is managed bya different group. The UNIX group has a need for more resources and no available funding. Whatis the first question the storage specialist should ask?()A、What is the SAN topology? B、Which vendor's storage product do you use? C、Are there additional storage resources available in the Windows SAN? D、Are there additional switch ports available in both the Windows and UNIX SANs?

考题 In the Junos OS, which statement is true?()A、vlan.0 belongs to the untrust zone.B、You must configure Web authentication to allow inbound traffic in the untrust zone.C、The zone name "untrust" has no special meaning.D、The untrust zone is not configurable.

考题 Your network consists of a single Active Directory domain named contoso.com. All servers run Windows Server 2003 Service Pack 2 (SP2).  The domain has two domain controllers named DC1 and DC2. Both domain controllers are DNS servers. Windows Support Tools is installed on both domain controllers. The contoso.com DNS zone is Active Directory-integrated. You need to verify that the contoso.com zone has replicated between DC1 and DC2.  What should you do?()A、On DC1 and DC2, open Event Viewer and review the DNS server log.B、On DC1, open the DNS snap-in. From the properties of the contoso.com zone, review the Zone Transfer settings.C、On DC1 and DC2, open the DNS snap-in. From the properties of the contoso.com zone, review the Monitoring settings.D、From Active Directory Replication Monitor, connect to DC1. Under the DC=DomainDnsZones,DC=contoso,DC=com directory partition, review the status of Default-First-Site/DC2.

考题 Your network consists of a single Active Directory domain. All domain controllers run Windows Server 2008 and are configured as DNS servers. A domain controller named DC1 has a standard primary zone for contoso,com. A domain controller named DC2 has a standard secondary zone for contoso,com. You need to ensure that the replication of the contoso,com zone is encrypted. You must not lose any zone data. What should you do()A、On both servers, modify the interface that the DNS server listens on.B、Convert the primary zone into an Active Directory-integrated zone. Delete the secondary zone.C、Convert the primary zone into an Active Directory-integrated stub zone. Delete the secondary zone.D、Configure the zone transfer settings of the standard primary zone. Modify the Master Servers lists on the secondary zone.

考题 单选题_____ is made up from the first letters of the name of an organization, which has a heavily modified headword.A CategoryB SynonoymyC AntonymyD Acronym

考题 单选题Your network consists of a single Active Directory domain. All domain controllers run Windows Server 2008 and are configured as DNS servers. A domain controller named DC1 has a standard primary zone for contoso,com. A domain controller named DC2 has a standard secondary zone for contoso,com. You need to ensure that the replication of the contoso,com zone is encrypted. You must not lose any zone data. What should you do()A On both servers, modify the interface that the DNS server listens on.B Convert the primary zone into an Active Directory-integrated zone. Delete the secondary zone.C Convert the primary zone into an Active Directory-integrated stub zone. Delete the secondary zone.D Configure the zone transfer settings of the standard primary zone. Modify the Master Servers lists on the secondary zone.

考题 单选题Your ARPA has two guard zones.What is the purpose of the inner guard zone().A Alert the watch officer that a vessel is approaching the preset CPA limitB Warn of small targets that are initially detected closer than the outer guard zoneC Guard against target loss during critical maneuvering situationsD Sound an alarm for targets first detected within the zone

考题 单选题Which security or functional zone name has special significance to the Junos OS?()A selfB trustC untrustD junos-global

考题 单选题Your network consists of a single Active Directory domain. All domain controllers run Windows Server  2008 R2 and are configured as DNS servers. A domain controller named DC1 has a standard primary  Zone for contoso.com. A domain controller named DC2 has a standard secondary zone for contoso.com.   You need to ensure that the replication of the contoso.com zone is encrypted. You must not lose any zone  data.  What should you do()A On both servers, modify the interface that the DNS server listens on.B Convert the primary zone into an Active Directory-integrated zone. Delete the secondary zone.  C Convert the primary zone into an Active Directory-integrated stub zone. Delete the secondary zone.D Configure the zone transfer settings of the standard primary zone. Modify the Master Servers lists on  the secondary zone.

考题 单选题Every lifeboat which is fitted with a fixed()VHF radiotelephone apparatus with an antenna which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.A one-wayB two-wayC double-effectD one-effect

考题 单选题Every lifeboat which is fitted with a fixed two-way()radiotelephone apparatus with an antenna which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.A HFB VHFC MFD MF/HF

考题 单选题Which algorithm was the first to be found suitable for both digital signing and encryption?()A HMACB RSAC MD5D SHA-1

考题 单选题Which antenna generally has the narrowest first Fresnel zone in both the horizontal and verticalplanes?()A omnidirectionalB patchC YagiD sectorE parabolic dish

考题 单选题In the Junos OS, which statement is true?()A vlan.0 belongs to the untrust zone.B You must configure Web authentication to allow inbound traffic in the untrust zone.C The zone name untrust has no special meaning.D The untrust zone is not configurable.

考题 单选题A company has installed a new 802.11g point-to-point connection between two buildings and isexperiencing low throughput across the link. The current setup involves a wireless bridge on the roof with an omni-directional antenna. Which of the following would BEST improve the link performance?()A Replace the wireless bridges with wireless access points.B Install bi-directional amplifiers at both sites.C Configure channel hopping on both wireless bridges.D Replace the omni-directional antennas with Yagi antennas

考题 单选题An environment has a DC server and an Exchange server. The administrator needs to install a patch and restart both servers while minimizing downtime. Which of the following is the BEST way to restart the servers?()A Restart both servers at the same time so the servers are down at the same time.B DC server first, then the Exchange server second.C The order in which the servers are restarted does not matter.D Exchange server first, then the DC server second.

考题 单选题Your network consists of a single Active Directory domain. All domain controllers run Windows  Server 2008 R2 and are configured as DNS servers.     A domain controller named DC1 has a standard primary zone for contoso.com. A domain  controller named DC2 has a standard secondary zone for contoso.com.  You need to ensure that the replication of the contoso.com zone is encrypted. You must not lose  any zone data.     What should you do()A On both servers, modify the interface that the DNS server listens on.B Convert the primary zone into an Active Directory-integrated zone. Delete the secondary zone.C Convert the primary zone into an Active Directory-integrated stub zone. Delete the secondary zone.D Configure the zone transfer settings of the standard primary zone. Modify the Master Servers lists on the secondary

考题 单选题Your network consists of a single Active Directory domain named contoso.com. All servers run Windows Server 2003 Service Pack 2 (SP2).  The domain has two domain controllers named DC1 and DC2. Both domain controllers are DNS servers. Windows Support Tools is installed on both domain controllers. The contoso.com DNS zone is Active Directory-integrated. You need to verify that the contoso.com zone has replicated between DC1 and DC2.  What should you do?()A On DC1 and DC2, open Event Viewer and review the DNS server log.B On DC1, open the DNS snap-in. From the properties of the contoso.com zone, review the Zone Transfer settings.C On DC1 and DC2, open the DNS snap-in. From the properties of the contoso.com zone, review the Monitoring settings.D From Active Directory Replication Monitor, connect to DC1. Under the DC=DomainDnsZones,DC=contoso,DC=com directory partition, review the status of Default-First-Site/DC2.