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.) 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.) 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.) 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…
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? The default gateway address…
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? SMTP DNS POP3 IMAP4
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.) 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.) port…
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.) 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? 192 240 248 224
A file is downloaded from the Internet. After the user opens the downloaded file, the hard drive crashes and all information on the computer is lost. What type of attack…
Which three attacks exploit vulnerabilities in software? (Choose three.) pretexting worms phishing Trojan horses vishing viruses
A network administrator attempted to access the company website and received a "page not found" error. The next day the administrator checked the web server logs and noticed that during…
Which three configuration components are required to allow a host to communicate with other hosts on remote networks? (Choose three.) DHCP server address subnet mask IP address default gateway DNS…
Which two methods are used to directly connect mobile devices such as tablets and smartphones to a data network? (Choose two.) wired Ethernet Bluetooth WiMax Wi-Fi cellular communications Explanation and…