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单选题Which of the following BEST describes the function of a DNS server?（）A Secures network traffic through shared key encryption.B Provides resolution of host names to IP addresses.C Provides security for a network through the use of ACLs.D Dynamically ass

题目
单选题
Which of the following BEST describes the function of a DNS server?（）
A

Secures network traffic through shared key encryption.

B

Provides resolution of host names to IP addresses.

C

Provides security for a network through the use of ACLs.

D

Dynamically assigns IP addresses for easy client configuration.

相似考题

1.Which of the following network appliances can BEST be described as allowing multiple servers toshare requests for a website through the same public IP address?()A. VPN concentratorB. Content filterC. Load balancerD. Proxy server

2.IPsec, also known as the internet Protocol ( ) , defines the architecture for security services for IP network traffic IPsec describes the framework for providing security a the IP layer, as well as the suite of protocols designed to provide that security: through_ ( )_ and encryption of IP network packets. IPec can be used 10 protect network data, for example, by setting up circuits using IPsec ( ), in which all data being sent between two endpoints is encrypted, as with a Virtual (请作答此空) Network connection ;for encrypting application layer data ;and for providing security for routers sending routing data across the public internet. Internet traffic can also be secured from host to host without the use of IPsec, for example by encryption at the ( ) layer with HTTP Secure (TTPS)or an the transport layer wit the Transport Layer Security (TLS)protocol.A.pubic] B.private] C.personal D.proper

3.Which statements describes the remote sites in a Cisco Single-Site Secure Network Foundation solution with remote teleworkers？（）A、They are separate from the central site and use NAT to route through the Internet to the Central SiteB、They are part of the VLANs at the Central Site； they are in the same subnetsC、They use public IP Addresses that are routable through the InternetD、They are in separate subnets but are part of the private address space of the network

4.Which of the following BEST describes a DAS?()A. A collection of disks presented as storage to multiple servers through dedicated channels.B. A collection of disks presented as storage to a single server through an existing network.C. A collection of disks presented as storage to a single server through directly attached technologies.D. A collection of disks presented as storage to multiple servers through an existing network.

更多“单选题Which of the following BEST describes the function of a DNS server?（）A Secures network traffic through shared key encryption.B Provides resolution of host names to IP addresses.C Provides security for a network through the use of ACLs.D Dynamically ass”相关问题

  • 第1题：

    A technician wants to decrease the overall attack surface of the servers in a data center through decreasing the number of open network ports on each server. Which of the following could the technician implement to increase security？（）

    • A、Host based intrusion detection software
    • B、Software firewall
    • C、NTFS
    • D、ACL

    正确答案:B

  • 第2题：

    Which two statement best describes the Cisco Unified Wireless Network？ （）

    • A、 The Cisco Unified Wireless Network provides the framework to segregate wired and wireless networks to deliver the best security for companies that are deploying WLANs
    • B、 The Cisco Unified Wireless Network provides the framework to integrate and extend wired and wireless networks to deliver the lowest-possible total cost of ownership for companies that are deploying WLANs
    • C、 The Cisco Unified Wireless Network extends wireless awareness into important elements of the network infrastructure， providing the same level of security for WLANs that organizations have come to expect from their VPNs
    • D、 The Cisco Unified Wireless Network extends wireless awareness into important elements of the network infrastructure， providing the same level of security， sociability， reliability， ease of deployment， and management for WLANs that organizations have come to expect from their wired LANs

    正确答案:B,D

  • 第3题：

    Which of the following server types allows resolution of domain names to IP addresses？（）

    • A、DHCP server
    • B、DNS server
    • C、Web server
    • D、VLAN server

    正确答案:B

  • 第4题：

    Which of the following BEST describes the function of a DNS server?（）

    • A、Secures network traffic through shared key encryption.
    • B、Provides resolution of host names to IP addresses.
    • C、Provides security for a network through the use of ACLs.
    • D、Dynamically assigns IP addresses for easy client configuration.

    正确答案:B

  • 第5题：

    Which of the following options best justifies why a DNS server should be run in a large network system？（）

    • A、To use ftp and telnet
    • B、To perform NFS mounts
    • C、To make /etc/hosts files unnecessary
    • D、To reduce network traffic and save bandwidth

    正确答案:C

  • 第6题：

    You need to identify the types of inbound traffic that should pass through the perimeter firewall while maintaining the security of the network. Which inbound traffic should be allowed?（）

    • A、VPN Traffic
    • B、DNS Traffic
    • C、LDAP Traffic
    • D、HTTP Traffic
    • E、HTTPS Traffic
    • F、Traffic from the network address of 192.168.10/24

    正确答案:A,C,D,E

  • 第7题：

    You are a network administrator for Alpine Ski House. The internal network has an Active Directory-integrated zone for the alpineskihouse.org domain. Computers on the internal network use the Active Directory-integrated DNS service for all host name resolution.   The Alpine Ski House Web site and DNS server are hosted at a local ISP. The public Web site for Alpine Ski House is accessed at www.alpineskihouse.com. The DNS server at the ISP hosts the alpineskihouse.com domain.   To improve support for the Web site， your company wants to move the Web site and DNS service from the ISP to the company’s perimeter network. The DNS server on the perimeter network must contain only the host （A） resource records for computers on the perimeter network.   You install a Windows Server 2003 computer on the perimeter network to host the DNS service for the alpineskihouse.com domain. You need to ensure that the computers on the internal network can properly resolve host names for all internal resources， all perimeter resources， and all Internet resources.   Which two actions should you take？ （）

    • A、 On the DNS server that is on the perimeter network， install a primary zone for alpineskihouse.com.
    • B、 On the DNS server that is on the perimeter network， install a stub zone for alpineskihouse.com.
    • C、 Configure the DNS server that is on the internal network to conditionally forward lookup requests to the DNS server that is on the perimeter network.
    • D、 Configure the computers on the internal network to use one of the internal DNS servers as the preferred DNS server. Configure the the TCP/IP settings on the computers on the internal network to use the DNS server on the perimeter network as an alternate DNS server.
    • E、 On the DNS server that is on the perimeter network， configure a root zone.

    正确答案:A,C

  • 第8题：

    单选题
    Which of the following BEST describes the function of a DNS server?（）
    A

    Secures network traffic through shared key encryption.

    B

    Provides resolution of host names to IP addresses.

    C

    Provides security for a network through the use of ACLs.

    D

    Dynamically assigns IP addresses for easy client configuration.


    正确答案： A
    解析： 暂无解析

  • 第9题：

    单选题
    Which of the following BEST describes a DAS?（）
    A

    A collection of disks presented as storage to multiple servers through dedicated channels.

    B

    A collection of disks presented as storage to a single server through an existing network.

    C

    A collection of disks presented as storage to a single server through directly attached technologies.

    D

    A collection of disks presented as storage to multiple servers through an existing network.


    正确答案： A
    解析： 暂无解析

  • 第10题：

    单选题
    Which statements describes the remote sites in a Cisco Single-Site Secure Network Foundation solution with remote teleworkers？（）
    A

    They are separate from the central site and use NAT to route through the Internet to the Central Site

    B

    They are part of the VLANs at the Central Site； they are in the same subnets

    C

    They use public IP Addresses that are routable through the Internet

    D

    They are in separate subnets but are part of the private address space of the network


    正确答案： A
    解析： 暂无解析

  • 第11题：

    单选题
    Which statement accurately describes firewall user authentication？（）
    A

    Firewall user authentication provides another layer of security in a network.

    B

    Firewall user authentication provides a means for accessing a JUNOS Software-based security device.

    C

    Firewall user authentication enables session-based forwarding.

    D

    Firewall user authentication is used as a last resort security method in a network.


    正确答案： B
    解析： 暂无解析

  • 第12题：

    单选题
    Which of the following BEST describes a hub?（）
    A

    Determines the best route to transmit data

    B

    Inspects traffic and accepts or declines transmission

    C

    Broadcasts data to specific network devices

    D

    Broadcasts data to all network devices


    正确答案： C
    解析： 暂无解析

  • 第13题：

    Which of the following BEST describes a hub?（）

    • A、Determines the best route to transmit data
    • B、Inspects traffic and accepts or declines transmission
    • C、Broadcasts data to specific network devices
    • D、Broadcasts data to all network devices

    正确答案:D

  • 第14题：

    Which of the following BEST describes a DAS?（）

    • A、A collection of disks presented as storage to multiple servers through dedicated channels.
    • B、A collection of disks presented as storage to a single server through an existing network.
    • C、A collection of disks presented as storage to a single server through directly attached technologies.
    • D、A collection of disks presented as storage to multiple servers through an existing network.

    正确答案:C

  • 第15题：

    Which of the following network appliances can BEST be described as allowing multiple servers toshare requests for a website through the same public IP address?（）

    • A、VPN concentrator
    • B、Content filter
    • C、Load balancer
    • D、Proxy server

    正确答案:C

  • 第16题：

    A user states that they cannot access a network shared drive. The technician has verified that the clients network cable is good. The IP address of the machine is 169.254.10.15. Which of the following is the cause of the problem？（）

    • A、The WINS server is not resolving names properly.
    • B、The DNS server is not resolving names.
    • C、The DHCP server is out of IP address leases.
    • D、The hosts file is corrupted.

    正确答案:C

  • 第17题：

    You work as a senior administrator at ABC.com. The ABC.com network consists of a single domain named ABC.com. All servers on the ABC.com network have Windows Server 2012 R2 installed.  You are running a training exercise for junior administrators. You are currently discussing the Windows Firewall with Advanced Security feature.  Which of the following is TRUE with regards to Windows Firewall with Advanced Security？（）

    • A、It provides host-based，two-way network traffic filtering for a computer.
    • B、It provides host-based，one-way network traffic filtering for a computer.
    • C、It blocks unauthorized network traffic flowing into or out of the local computer.
    • D、It only blocks unauthorized network traffic flowing into the local computer.
    • E、It only blocks unauthorized network traffic flowing out of the local computer.

    正确答案:A,C

  • 第18题：

    Your network consists of a single Active Directory domain. All servers run Windows Server 2003 Service Pack 2 （SP2）.A firewall separates the internal network from the Internet.  The firewall blocks all outbound traffic except for HTTP and SMTP traffic.You install a DNS server. The DNS server is configured to use the default root hints. You need to ensure that the DNS server can resolve the host names on the Internet.  Which port should you open on the firewall？（）

    • A、53
    • B、135
    • C、500
    • D、3389

    正确答案:A

  • 第19题：

    Your network contains a DNS server that has a reverse lookup zone for all of your network segments. You have a server named Server1 that runs Windows Server 2003 Service Pack 2 （SP2）. An IP security policy is assigned to Server1. You verify IPSec traffic and see that the current security associations display only by IP address. You need to view the fully qualified domain names for all security associations.  What should you do？（）

    • A、From the DNS console， add Server1 as a name server.
    • B、From the DNS console， change dynamic updates to Secure only.
    • C、From IP Security Monitor on Server1， enable DNS name resolution.
    • D、From IP Security Monitor on Server1， create a new taskpad view.

    正确答案:C

  • 第20题：

    单选题
    Which of the following options best justifies why a DNS server should be run in a large network system？（）
    A

    To use ftp and telnet

    B

    To perform NFS mounts

    C

    To make /etc/hosts files unnecessary

    D

    To reduce network traffic and save bandwidth


    正确答案： C
    解析： 暂无解析

  • 第21题：

    单选题
    Which of the following network appliances can BEST be described as allowing multiple servers toshare requests for a website through the same public IP address?（）
    A

    VPN concentrator

    B

    Content filter

    C

    Load balancer

    D

    Proxy server


    正确答案： B
    解析： 暂无解析

  • 第22题：

    单选题
    Your network contains a DNS server that has a reverse lookup zone for all of your network segments. You have a server named Server1 that runs Windows Server 2003 Service Pack 2 （SP2）. An IP security policy is assigned to Server1. You verify IPSec traffic and see that the current security associations display only by IP address. You need to view the fully qualified domain names for all security associations.  What should you do？（）
    A

    From the DNS console， add Server1 as a name server.

    B

    From the DNS console， change dynamic updates to Secure only.

    C

    From IP Security Monitor on Server1， enable DNS name resolution.

    D

    From IP Security Monitor on Server1， create a new taskpad view.


    正确答案： A
    解析： 暂无解析

  • 第23题：

    单选题
    Your network consists of a single Active Directory domain. All servers run Windows Server 2003 Service Pack 2 （SP2）.A firewall separates the internal network from the Internet.  The firewall blocks all outbound traffic except for HTTP and SMTP traffic.You install a DNS server. The DNS server is configured to use the default root hints. You need to ensure that the DNS server can resolve the host names on the Internet.  Which port should you open on the firewall？（）
    A

    53

    B

    135

    C

    500

    D

    3389


    正确答案： D
    解析： 暂无解析

  • 第24题：

    单选题
    A user states that they cannot access a network shared drive. The technician has verified that the clients network cable is good. The IP address of the machine is 169.254.10.15. Which of the following is the cause of the problem？（）
    A

    The WINS server is not resolving names properly.

    B

    The DNS server is not resolving names.

    C

    The DHCP server is out of IP address leases.

    D

    The hosts file is corrupted.


    正确答案： D
    解析： 暂无解析

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