更多"Which two statements are true about"的相关试题:
[多项选择]Which two statements are true about firewall filter configurations?（）
A. Multiple action modifiers can be included in the same term.
B. Only a single action modifier can be included in the same term.
C. If an action modifier exists without a terminating action, matching packets will be accepted.
D. If an action modifier exists without a terminating action, matching packets will be discarded.
[多项选择]Which two statements are correct about firewall filters in the Junos OS?（）
A. Firewall filters are stateless.
B. Firewall filters are used to control routing information that is exchanged between devices.
C. Firewall filters are used to control traffic passing through the device.
D. Firewall filters can only be applied to traffic entering the device.
[多项选择]Which two statements are true regarding firewall user authentication?（） (Choose two.)
A. When configured for pass-through firewall user authentication, the user must first open a connection to the Junos security remote network resource.
B. When configured for Web firewall user authentication only, the user must first open a connection to the Junos security remote network resource.
C. If a Junos security device is configured for pass-through firewall user authentication, new sessions are automatically intercepted .
D. If a Junos security device is configured for Web firewall user authentication, new sessions are automatically intercepted.
[多项选择]Which two statements regarding firewall user authentication client groups are true?（） (Choose two.)
A. A client group is a list of clients associated with a group.
B. A client group is a list of groups associated with a client.
C. Client groups are referenced in security policy in the same manner in which individual clients are referenced.
D. Client groups are used to simplify configuration by enabling firewall user authentication without security policy.
[多项选择]Which two are true about aggregate functions? （）
A. You can use aggregate functions in any clause of a SELECT statement.
B. You can use aggregate functions only in the column list of the SELECT clause and in the WHERE clause of a SELECT statement.
C. You can mix single row columns with aggregate functions in the column list of a SELECT statement by grouping on the single row columns.
D. You can pass column names, expressions, constants, or functions as parameters to an aggregate function.
E. You can use aggregate functions on a table, only by grouping the whole table as one single group.
F. You cannot group the rows of a table by more than one column while using aggregate functions.
[多项选择]Which two statements are true about the duplexing of the backups taken by RMAN? （）(Choose two.)
A. It's only supported for the backups performed on the tape
B. It is not supported for backup operations that produce image copies
C. Duplex backups need a parallelism for the device to be equal to number of copies
D. Duplex backups can be performed to either disk or tape, but cannot be performed on tape and disk simultaneously
[多项选择]Which two statements are true about static routes in the Junos OS?（）
A. Static routes are defined at the [edit routing-instances] hierarchy.
B. Static routes must have a next hop defined.
C. Static routes remain in the routing table until you remove them or until they become inactive.
D. Static routes are learned by neighboring devices and added to their routing tables.
[多项选择]Which two statements are true about the forwarding table?（）
A. The forwarding table lists each source protocol and preference for each destination.
B. The forwarding table contains only active routes.
C. The forwarding table is used to process transit packets.
D. The forwarding table is stored in compact flash.
[多项选择]Which two statements are true about the rendezvous poin t (RP) in a multicast network?（）
A. The multicast sources must register with the RP to form the multicast distribution tree.
B. An RP is required only in networks running Protocol Independent Multicast dense mode (PIM DM).
C. The multicast receivers must register with the RP to form the multicast distribution tree.
D. An RP is required only in networks running Protocol Independent Multicast sparse mode (PIM SM).
E. An RP is required only in networks running Protocol Independent Multicast sparse - dense mode (PIM - SDM).
F. To form the multicast distribution tree, the multicast sources register with and the receivers join the RP.
[多项选择]Which two statements are true about optical networks?（）
A. SONET and SDH both use time-division multiplexing.
B. An optical transport network system uses time-division multiplexing.
C. SONET and SDH both use wavelength-division multiplexing.
D. An optical transport network system uses wavelength-division multiplexing.
[多项选择]Which two statements are true about TCP communication?（）
A. The receiver acknowledges the final packet in each communications stream.
B. The receiver adds sequencing numbers to the packets received.
C. The sender adds sequencing numbers to the packets it sends.
D. The receiver acknowledges each packet it receives from the sending device.
[多项选择]Which two statements are true about the Automatic Diagnostic Repository (ADR)?（） (Choose two.)
A. The ADR base keeps all diagnostic information in binary format
B. SQL*Plus provides the ADRI script, which can be used to work with ADR
C. The ADR can be used for problem diagnosis only when the database is open
D. The ADR can be disabled by settting the DIAGNOSTIC_DEST parameter to null
E. The ADR can be used for problem diagnosis even when the database instance is down
F. The ADR base is shared across multiple instances
