Which command can be used to connect to a docker container? A.) attach. B.) go C.) open D.) Telnet
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Tom wants to send a message to Cindy. He types his message and clicks send. Tom's computer does not know the IP address for Cindy's computer. What protocol must be used to determine the IP address for Cindy's computer? A. DNS B. IRC C. DHCP D. ARP
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Which of these ports would you be least likely to find open to a native service on a Linux host? a) 139 b) 53 c) 22 d) 443 2. What is the netmask of the network associated with host 128.227.224.196 having 8,190 hosts? a) 255.255.255.192 b) 255.255.192.0 c) 255.255.224.0 d) 255.255.255.0 3. Which of these precautions will not interfere with a traditional SSLStrip attack from working? a) Disallowing multiple MAC addresses for a single host in a network b) Always using https c) Using a separate process in each browser d) Navigating to a site whose HSTS super-cookie is loaded in your browser 4. Although nmap warns about -Pn slowing down a scan, proxychains nmap -Pn 10.70.184.1-254 -p 445 actually runs faster than the following nmap: proxychains nmap 10.70.184.1-254 -p 445. Why would that be? a) When -Pn isn't specified, both UDP and TCP ports are scanned. b) If ping fails, nmap will check an extra port (80) c) Because ICMP echo replies are always delivered as fast as port 445 replies. d) When -Pn isn't specified, the 10,000 most popular ports will be scanned. 5. What can Linux file access control lists do that normal file modes cannot do? a) They can provide special permission sets for individual users. b) They can set a file to run as the root user when executed, no matter who the owner of the file is. c) They can restrict permissions for a group of users in /etc/group d) They can set permissions on a link to a file. 6. Which of these ISO layer messages is likely to have the largest number of embedded protocol data units in it? a) Datalink. b) Session c) Network d) Application
This layer of the OSI model is responsible for dialog control, token management, and synchronization. a. session b. transport c. network d. data link Question 2 What is the typical method for restricting packet lifetime on the Internet? a. Packet length b. Network path c. Packet size d. Hop count Question 3 Can a machine with a single DNS name have multiple IP addresses? a. true b. false Question 4 If a local DNS server cannot find an IP address for a specified URL, what does it do? a. Queries the next DNS server b. Returns an error 4xx to the client requesting the resource c. Performs a reverse lookup of the authoritative record d. Performs an iterative query of the local DNS server's database Question 5 What is the default protocol used for sending email messages over the Internet? a. SNMP b. SMTP c. POP d. RSVP Question 6 Which protocol is used to send web pages from web servers to internet browsers? a. HTML b. SMTP c. HTTP d. WAP Question 7 This mail system protocol was created as an improvement of the POP3 protocol, and has the ability to address mail not by message number, but by using attributes. a. SMTP b. MIME c. SNMP d. IMAP Question 8 What is the primary purpose of a Socket primitive? a. To associate a local address with a port b. To create a communication endpoint c. To address a communication endpoint d. To set up a connection with a host Question 9 Which protocol uses a three-way handshake to establish connections? a. TCP b. UDP c. ICMP d. IP Question 10 What is the primary purpose of flow control? a. Error control b. Traffic control c. Flow control d. System control
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