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System Administration (Pre-finals) BSIT 205
52問 • 1年前
  • Xai Alexandrei Delos Reyes
    • 通報

    問題一覧

  • 1

    Which statement is FALSE about Characteristics of a process

    Multiple windows for each process

  • 2

    Commands Used in Viewing and Controlling Processes: It reports a snapshot of current processes.

    ps

  • 3

    Commands Used in Viewing and Controlling Processes: It displays tasks.

    top

  • 4

    Commands Used in Viewing and Controlling Processes: This lists active jobs

    jobs

  • 5

    Commands Used in Viewing and Controlling Processes: It places a job in the background.

    bg

  • 6

    Commands Used in Viewing and Controlling Processes: This places a job in the foreground.

    fg

  • 7

    It is a collection of computers and computing resources connected together to facilitate communication between resources.

    Computer Network

  • 8

    broadcasts the message it receives to all devices on the subnet where it operates.

    Hub

  • 9

    broadcasts the message it receives to a single device on the subnetwork using a MAC address for addressing.

    Switch

  • 10

    examines a message’s destination IP address and routes the message onto the proper network or subnetwork as the next link in the chain of the communication.

    Router

  • 11

    connects local area networks of different types together.

    Gateway

  • 12

    is responsible for placing TCP/IP packets on the network medium and receiving TCP/IP packets off the network medium.

    Network Interface Layer

  • 13

    is responsible for addressing, packaging, and routing functions.

    Internet Layer

  • 14

    is responsible for IP addressing, routing, and the fragmentation and reassembly of packets.

    Internet Protocol

  • 15

    is responsible for the resolution of the Internet layer address to the Network Interface layer such as a hardware address.

    Address Resolution Protocol

  • 16

    is responsible for providing diagnostic functions and reporting errors due to the unsuccessful delivery of IP packets.

    Internet Control Message Protocol

  • 17

    is responsible for the management of IP multicast groups.

    Internet Group Management Protocol

  • 18

    is responsible for providing the Application layer with session and datagram communication services.

    Transport Layer

  • 19

    is responsible for establishment of a ____ connection, the sequencing and acknowledging of packets sent, and the recovery of packets lost during transmission.

    Transmission Control Protocol

  • 20

    is used when the amount of data to be transferred is small, when the overhead of establishing a TCP connection is not desired, or when the applications or upper layer protocols provide reliable delivery.

    User Datagram Protocol

  • 21

    allows applications to access the services of the other layers and defines the protocols that applications use to exchange data.

    Application layer

  • 22

    is used to transfer files that make up the Web pages of the World Wide Web.

    Hypertext Transfer Protocol

  • 23

    is used for interactive file transfer.

    File Transfer Protocol

  • 24

    is used for the transfer of mail messages and attachments.

    Simple Mail Transfer Protocol

  • 25

    It is a terminal emulation protocol used for logging on remotely to network hosts

    Telnet

  • 26

    is used to resolve a host name to an IP address.

    Domain Name System

  • 27

    is used by routers to exchange routing information on an IP internetwork.

    Routing Information Protocol

  • 28

    is used to collect and exchange network management information between a network management console and network devices.

    Simple Network Management Protocol

  • 29

    Networking Commands: sends a special network packet called an ICMP ECHO_REQUEST to network hosts

    ping

  • 30

    Networking Commands: prints the route packets trace to a network host

    traveroute/tracepath

  • 31

    Networking Commands: shows/manipulates routing, devices, policy routing, and tunnels

    ip

  • 32

    Networking Commands: prints network connections, routing tables, interface statistics, masquerade connections, and multicast memberships

    netstat

  • 33

    Networking Commands: Internet file transfer program

    ftp

  • 34

    Networking Commands: Non-interactive network downloader

    wget

  • 35

    Networking Commands: OpenSSH SSH client (remote login program) • Sample usage of ping:

    ssh

  • 36

    Process States: Running

    R

  • 37

    Process States: Sleeping

    S

  • 38

    Process States: Uninterruptible sleep Process is waiting for I/O such as a disk drive.

    D

  • 39

    Process States: Traced or stopped

    T

  • 40

    Process States: A defunct or “zombie” process This is a child process that has been terminated, but has not been cleaned up by its paren

    Z

  • 41

    Characters used with process states: A high priority process

    <

  • 42

    Characters used with process states: A low priority process

    N

  • 43

    Characters used with process states: Has pages locked into memory This is for real-time and custom I/O.

    L

  • 44

    Characters used with process states: A session leader

    s

  • 45

    Characters used with process states: Multi-threaded

    l

  • 46

    Characters used with process states: In the foreground process group

    +

  • 47

    The ps Command with the aux option: User ID This is the owner of the process.

    USER

  • 48

    The ps Command with the aux option: CPU usage in percent

    %CPU

  • 49

    The ps Command with the aux option: Memory usage in percent

    %MEM

  • 50

    The ps Command with the aux option: Virtual Memory Size

    VSZ

  • 51

    The ps Command with the aux option: Resident Set Size This is the amount of physical memory (in kilobytes) the process is using.

    RSS

  • 52

    The ps Command with the aux option: This is the time when the process has started. For values over 24 hours, a date is used.

    START

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    問題一覧

  • 1

    Which statement is FALSE about Characteristics of a process

    Multiple windows for each process

  • 2

    Commands Used in Viewing and Controlling Processes: It reports a snapshot of current processes.

    ps

  • 3

    Commands Used in Viewing and Controlling Processes: It displays tasks.

    top

  • 4

    Commands Used in Viewing and Controlling Processes: This lists active jobs

    jobs

  • 5

    Commands Used in Viewing and Controlling Processes: It places a job in the background.

    bg

  • 6

    Commands Used in Viewing and Controlling Processes: This places a job in the foreground.

    fg

  • 7

    It is a collection of computers and computing resources connected together to facilitate communication between resources.

    Computer Network

  • 8

    broadcasts the message it receives to all devices on the subnet where it operates.

    Hub

  • 9

    broadcasts the message it receives to a single device on the subnetwork using a MAC address for addressing.

    Switch

  • 10

    examines a message’s destination IP address and routes the message onto the proper network or subnetwork as the next link in the chain of the communication.

    Router

  • 11

    connects local area networks of different types together.

    Gateway

  • 12

    is responsible for placing TCP/IP packets on the network medium and receiving TCP/IP packets off the network medium.

    Network Interface Layer

  • 13

    is responsible for addressing, packaging, and routing functions.

    Internet Layer

  • 14

    is responsible for IP addressing, routing, and the fragmentation and reassembly of packets.

    Internet Protocol

  • 15

    is responsible for the resolution of the Internet layer address to the Network Interface layer such as a hardware address.

    Address Resolution Protocol

  • 16

    is responsible for providing diagnostic functions and reporting errors due to the unsuccessful delivery of IP packets.

    Internet Control Message Protocol

  • 17

    is responsible for the management of IP multicast groups.

    Internet Group Management Protocol

  • 18

    is responsible for providing the Application layer with session and datagram communication services.

    Transport Layer

  • 19

    is responsible for establishment of a ____ connection, the sequencing and acknowledging of packets sent, and the recovery of packets lost during transmission.

    Transmission Control Protocol

  • 20

    is used when the amount of data to be transferred is small, when the overhead of establishing a TCP connection is not desired, or when the applications or upper layer protocols provide reliable delivery.

    User Datagram Protocol

  • 21

    allows applications to access the services of the other layers and defines the protocols that applications use to exchange data.

    Application layer

  • 22

    is used to transfer files that make up the Web pages of the World Wide Web.

    Hypertext Transfer Protocol

  • 23

    is used for interactive file transfer.

    File Transfer Protocol

  • 24

    is used for the transfer of mail messages and attachments.

    Simple Mail Transfer Protocol

  • 25

    It is a terminal emulation protocol used for logging on remotely to network hosts

    Telnet

  • 26

    is used to resolve a host name to an IP address.

    Domain Name System

  • 27

    is used by routers to exchange routing information on an IP internetwork.

    Routing Information Protocol

  • 28

    is used to collect and exchange network management information between a network management console and network devices.

    Simple Network Management Protocol

  • 29

    Networking Commands: sends a special network packet called an ICMP ECHO_REQUEST to network hosts

    ping

  • 30

    Networking Commands: prints the route packets trace to a network host

    traveroute/tracepath

  • 31

    Networking Commands: shows/manipulates routing, devices, policy routing, and tunnels

    ip

  • 32

    Networking Commands: prints network connections, routing tables, interface statistics, masquerade connections, and multicast memberships

    netstat

  • 33

    Networking Commands: Internet file transfer program

    ftp

  • 34

    Networking Commands: Non-interactive network downloader

    wget

  • 35

    Networking Commands: OpenSSH SSH client (remote login program) • Sample usage of ping:

    ssh

  • 36

    Process States: Running

    R

  • 37

    Process States: Sleeping

    S

  • 38

    Process States: Uninterruptible sleep Process is waiting for I/O such as a disk drive.

    D

  • 39

    Process States: Traced or stopped

    T

  • 40

    Process States: A defunct or “zombie” process This is a child process that has been terminated, but has not been cleaned up by its paren

    Z

  • 41

    Characters used with process states: A high priority process

    <

  • 42

    Characters used with process states: A low priority process

    N

  • 43

    Characters used with process states: Has pages locked into memory This is for real-time and custom I/O.

    L

  • 44

    Characters used with process states: A session leader

    s

  • 45

    Characters used with process states: Multi-threaded

    l

  • 46

    Characters used with process states: In the foreground process group

    +

  • 47

    The ps Command with the aux option: User ID This is the owner of the process.

    USER

  • 48

    The ps Command with the aux option: CPU usage in percent

    %CPU

  • 49

    The ps Command with the aux option: Memory usage in percent

    %MEM

  • 50

    The ps Command with the aux option: Virtual Memory Size

    VSZ

  • 51

    The ps Command with the aux option: Resident Set Size This is the amount of physical memory (in kilobytes) the process is using.

    RSS

  • 52

    The ps Command with the aux option: This is the time when the process has started. For values over 24 hours, a date is used.

    START