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Q1: in the HDFS copy placement policy, which of the following is the distance between the same servers in the same rack?
A. 2
B. 4
C. 6
D. 0
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- what is the purpose of the following code? CBI DDRB, 2 SBI DDRB, 3 loop: IN R20, PINB SBRC R20, 2 JMP next SBI PORTB, 3 JMP loop next: CBI PORTB, 3 JMP loopJohn has a vast collection of movies and TV show episodes on his laptop which he enjoys. His siblings realizing his treasure trove begs him to share the media with everyone. He thinks to himself instead of copying the media and giving everyone individually, he would setup a machine to act as a file server where everyone can go to get their stuff and leave him in peace. John has no idea about setting up a file server to run on a LAN and comes to you for help. Please give details on how he would setup this new machine on the LAN so that it can be easily accessed by all, and they can copy across media to their machines for viewing with ease from over the network. What additional equipment would he need to complete his task? What special software if any would he need to achieve success? What special hardware if any would be needed by the new machine to make the project a reality? Take these things into consideration when giving him an answer.Linux Command Function ifconfig also: ifcfg, ifup, ifdown, ethtool, nm-tool /etc/init.d/networking restart ip link set down ip link set up The ifconfig command is a tool used to display and configure network interfaces. This command will display information about the network card, IP address, broadcast address, and network mask. It also shows how many packets were received and transmitted. There is also information about the loopback device (lo). ping The ping command allows the user to test whether or not a network connection is active, the speed of that connection, and how a network behaves given specific data loads. arpalso: arping The arp command by itself is used to view the information currently in the ARP table (Address Resolution Protocol). This table maps the IP address of machines on your network segment with their MAC address. hostnamealso: domainname, dnsdomainname The hostname command tells you what the hostname of your machine is set to. The…
- Linux Command Function ifconfig also: ifcfg, ifup, ifdown, ethtool, nm-tool /etc/init.d/networking restart ip link set down ip link set up The ifconfig command is a tool used to displayand configure network interfaces. Thiscommand will display information about thenetwork card, IP address, broadcast address,and network mask. It also shows how manypackets were received and transmitted. Thereis also information about the loopback device(lo). ping The ping command allows the user to testwhether or not a network connection is active,the speed of that connection, and how anetwork behaves given specific data loads. arpalso: arping The arp command by itself is used to view theinformation currently in the ARP table (AddressResolution Protocol). This table maps the IPaddress of machines on your network segmentwith their MAC address. hostnamealso: domainname, dnsdomainname The hostname command tells you what thehostname of your machine is set to. Thehostname is…What is the difference between groups on Linux volumes and NTFS volumesWhen you port scan using "nmap -sS", If you have not received any response back from target, what is the current state of the target port? (A) Closed (B) Not enabled C) Filtered D) Open
- What command can be used to create a ZFS volume called test from the space on /dev/sdb and /dev/sdc that functions like RAID level 1?a. zpool create test /dev/sdb /dev/sdcb. zpool create test mirror /dev/sdb /dev/sdcc. zpool create test raidz /dev/sdb /dev/sdcd. zpool create test raidz2 /dev/sdb /dev/sdcHost Monitoring Script Write a Bash script that displays ONLY the following information in the terminal console. You will need to ensure that any information not requested is filtered out of any command output. 1 Machine name and uptime. 2 OS name and version, kernel version number and OS type (i.e. 32/64 bit), shown on one line using a colon (:) as a delimiter. 3 The IP address, broadcast address and manufacturer of the main network interface (not loopback). 4 CPU model, number of CPUs and number of cores per CPU. 5 The maximum round trip time (in milliseconds) for 4 ICMP echo/echo reply packets (ping) sent to/received from www.bbc.co.uk. 6 The command issued and PID of the top 5 RAM-consuming processes. 7 The amount of free memory (in MB) and free swap (in MB). 8 The number of installed HDDs and their capacity (in GB) and the number of partitions on each. *** please write the answer by the keyboard *** Please share screenshot of outputSuppose you have been asked by a business to support an older legacy system that they need to stay running. To keep this system running you need to install an extra older hard drive that the company has. The drive is a Maxtor Quantum Fireball Plus AS 20.5-GB hard drive. You want the drive to be the slave drive, and you know that you must change the current jumper settings. The four jumpers on the drive are labeled DS, CS, PK, and Rsvd. The description of the jumpers doesn't tell you how to set the jumpers so the drive is the slave. The documentation is not physically available. What do you do? What jumpers need to be set to have the drive function as a slave drive? How do you know? Where did you find this information?
- Similarly for /var/log/btmp type man lastb and find the purpose of btmp file linux redhat command onlyLINUX SERVER SYSTEM GENERAL CONFIGURATION REQUIREMENTS Configure the DHCP server service for the 192.168.10+N.0 network. Use a DHCP range of 192.168.10+N.50 - 192.168.10+N.100. Demonstrate that it works using the client VM. Configure the NFS server service to export the /backups directory (must be created) as read-write to all systems in the 192.168.10+N.0 network. Configure the Samba server service to share the local /docs directory (must be created) as read-only for any user (public share). Configure the DNS server service for the Internet forward zone nspdomN.local and add host resource records for all systems on the local network 192.168.10+N.0 (i.e., Linux server and client). Configure Sendmail, Dovecot and Squirrelmail to provide Mail, POP/IMAP and Webmail services for users. Make sure the Web server is enabled and create a simple HTML welcome page (not the default Apache welcome page) with the course name, domain name and your name. Show that the web page is accessible from the…To which directory will the test ZFS volume from the previous question be mounted bythe ZFS system?a. /mnt/testb. /media/testc. /zfs/testd. /test