What action does a DNS server take if it does not have an entry for a requested URL?
What action does a DNS server take if it does not have an entry for a requested URL? The server checks with another DNS server to see if it has…
A technician has been asked to troubleshoot a simple network problem that seems to be caused by software. Which troubleshooting approach should be used?
A technician has been asked to troubleshoot a simple network problem that seems to be caused by software. Which troubleshooting approach should be used? divide and conquer bottom-up top-down substitution
When would the Cisco IOS image held in ROM be used to boot the router?When would the Cisco IOS image held in ROM be used to boot the router?
When would the Cisco IOS image held in ROM be used to boot the router? when the full IOS cannot be found during a normal boot process when the running…
Which security function is provided by a firewall?
Which security function is provided by a firewall? passively monitors network traffic and logs intrusion attacks for security analysis passively monitors network traffic and automatically blocks intrusion attacks aggregates and…
A user is setting up a home wireless network. A global address is to be used in NAT translations for traffic flowing through the wireless router. How is this global address assigned?
A user is setting up a home wireless network. A global address is to be used in NAT translations for traffic flowing through the wireless router. How is this global…
Which function is supplied by the access layer in a three-layer network design?
Which function is supplied by the access layer in a three-layer network design? application of policies backbone connectivity routing network access high-speed connectivity Answers Explanation & Hints: The main purpose…
What are two characteristics of 802.11 wireless networks? (Choose two.)
What are two characteristics of 802.11 wireless networks? (Choose two.) Stations can transmit at any time. They use CSMA/CA technology. They are collision-free networks. They use CSMA/CD technology. Collisions can…
Which three layers of the OSI model make up the application layer of the TCP/IP model? (Choose three.)
Which three layers of the OSI model make up the application layer of the TCP/IP model? (Choose three.) presentation transport application network session data link Answers Explanation & Hints: The…
Which two steps are required before SSH can be enabled on a Cisco router? (Choose two.)
Which two steps are required before SSH can be enabled on a Cisco router? (Choose two.) Give the router a host name and domain name. Create a banner that will…
A law firm uses DHCPv4 to dynamically assign IPv4 addresses for staff workstations. The DHCP policy specifies that the lease period is 7 days. A staff member returns to the office after 2 weeks of vacation. When the employee turns on the workstation, which DHCPv4 message is sent by the workstation to obtain a valid IPv4 address?
A law firm uses DHCPv4 to dynamically assign IPv4 addresses for staff workstations. The DHCP policy specifies that the lease period is 7 days. A staff member returns to the…
Refer to the exhibit. The network administrator for a small advertising company has chosen to use the 192.168.5.96/27 network for internal LAN addressing. As shown in the exhibit, a static IP address is assigned to the company web server. However, the web server cannot access the Internet. The administrator verifies that local workstations with IP addresses that are assigned by a DHCP server can access the Internet, and the web server is able to ping local workstations. Which component is incorrectly configured?
Refer to the exhibit. The network administrator for a small advertising company has chosen to use the 192.168.5.96/27 network for internal LAN addressing. As shown in the exhibit, a static…
A user can access a file share resource on a server located in the same office but cannot access the internet. What is the possible cause?
A user can access a file share resource on a server located in the same office but cannot access the internet. What is the possible cause? The default gateway address…
Which statement describes a major characteristic of a local area network?
Which statement describes a major characteristic of a local area network? A LAN is under one administrative control. A LAN is implemented in a corporation to connect all of its…
Which protocol is used by a server that needs to send an email message to another server in order to support successful delivery of the message?
Which protocol is used by a server that needs to send an email message to another server in order to support successful delivery of the message? SMTP DNS POP3 IMAP4
Match the port number to the email protocol.
Match the port number to the email protocol.
Which two application layer protocols manage the exchange of messages between a client with a web browser and a remote web server? (Choose two.)
Which two application layer protocols manage the exchange of messages between a client with a web browser and a remote web server? (Choose two.) HTTPS HTML DHCP HTTP DNS Answers…
A network security administrator is writing documentation on the firewall requirements for allowing Telnet access to the remote server. Which two pieces of information should be included? (Choose two.)
A network security administrator is writing documentation on the firewall requirements for allowing Telnet access to the remote server. Which two pieces of information should be included? (Choose two.) port…
What does the IP address 172.17.4.250/24 represent?
What does the IP address 172.17.4.250/24 represent? multicast address network address host address broadcast address Explanation: The /24 shows that the network address is 172.17.4.0. The broadcast address for this…
Which two devices are shared peripherals? (Choose two.)
Which two devices are shared peripherals? (Choose two.) touch-pad with digital stylus printer scanner tablet laptop Explanation: A shared peripheral device does not connect directly to a network. This device…
What is the decimal equivalent to binary 11110000?
What is the decimal equivalent to binary 11110000? 192 240 248 224
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