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NEW QUESTION: 1
Which of the following are the accepted methods of creating exceptions? (Select the two that apply)
A. Evasion tool
B. Learn Mode
C. Adaptive Mode
D. ClientException utility
E. Manually
Answer: C,E
NEW QUESTION: 2
Which of the following is/are advantages of inter-VLAN routing in one-arm routing mode?
A. Reduced the use of IP addresses
B. Reduced the number of devices
C. Reduced the number of links
D. Reduced the number of entries in the routing table
Answer: C
NEW QUESTION: 3
Hinweis: Diese Frage ist Teil einer Reihe von Fragen, die dasselbe Szenario verwenden. Zur Vereinfachung wird das Szenario in jeder Frage wiederholt. Jede Frage stellt ein anderes Ziel und eine andere Antwortauswahl dar, aber der Text des Szenarios ist in jeder Frage dieser Reihe genau gleich.
Sie haben eine Datenbank, die die folgenden Tabellen enthält: BlogCategory, BlogEntry, ProductReview, Product und SalesPerson. Die Tabellen wurden mit den folgenden Transact SQL-Anweisungen erstellt:
Sie müssen die ProductReview-Tabelle ändern, um die folgenden Anforderungen zu erfüllen:
* Die Tabelle muss auf die ProductID-Spalte in der Product-Tabelle verweisen
* Vorhandene Datensätze in der ProductReview-Tabelle müssen nicht mit der Product-Tabelle validiert werden.
* Das Löschen von Datensätzen in der Product-Tabelle ist nicht zulässig, wenn die ProductReview-Tabelle auf Datensätze verweist.
* Änderungen an Datensätzen in der Product-Tabelle müssen in die ProductReview-Tabelle übernommen werden.
Sie haben auch die folgenden Datenbanktabellen: Order, ProductTypes und SalesHistory. Die Transact-SQL-Anweisungen für diese Tabellen sind nicht verfügbar.
Sie müssen die Orders-Tabelle ändern, um die folgenden Anforderungen zu erfüllen:
* Erstellen Sie neue Zeilen in der Tabelle, ohne der Tabelle INSERT-Berechtigungen zu erteilen.
* Benachrichtigen Sie den Verkäufer, der eine Bestellung aufgibt, ob die Bestellung abgeschlossen wurde oder nicht.
Sie müssen der SalesHistory-Tabelle die folgenden Einschränkungen hinzufügen:
* Eine Einschränkung für die Spalte "SaleID", mit der das Feld als Datensatzkennung verwendet werden kann
* Eine Konstante, die die ProductID-Spalte verwendet, um auf die Product-Spalte der ProductTypes-Tabelle zu verweisen
* Eine Einschränkung für die CategoryID-Spalte, die eine Zeile mit einem Nullwert in der Spalte zulässt
* Eine Einschränkung, die die Spalte "SalePrice" auf Werte beschränkt, die größer als vier Benutzer der Finanzabteilung sind, muss in der Lage sein, Daten aus der Tabelle "SalesHistory" für Verkäufer abzurufen, bei denen der Wert der Spalte "SalesYTD" über einem bestimmten Schwellenwert liegt.
Sie planen, eine speicheroptimierte Tabelle mit dem Namen SalesOrder zu erstellen. Die Tabelle muss folgende Anforderungen erfüllen:
* Die Tabelle muss 10 Millionen eindeutige Kundenaufträge enthalten.
* Die Tabelle muss Prüfpunkte verwenden, um E / A-Vorgänge zu minimieren, und darf keine Transaktionsprotokollierung verwenden.
* Datenverlust ist akzeptabel.
Die Leistung für Abfragen in der SalesOrder-Tabelle, die Where-Klauseln mit exakten Gleichheitsoperationen verwenden, muss optimiert werden.
Sie müssen ein Objekt erstellen, mit dem Finanzbenutzer die erforderlichen Daten abrufen können. Das Objekt darf keine negativen Auswirkungen auf die Leistung haben.
Wie sollen Sie die Transact-SQL-Anweisungen vervollständigen? Wählen Sie zum Beantworten die entsprechenden Transact-SQL-Segmente im Antwortbereich aus.
Answer:
Explanation:
Explanation
A user defined function can return a table, which can be produces by a SELECT statement.
From question: Finance department users must be able to retrieve data from the SalesHistory table for sales persons where the value of the SalesYTD column is above a certain threshold.
Incorrect:
Not VIEW: The RETURN clause is not used when you create a view.
References:
https://docs.microsoft.com/en-us/sql/t-sql/statements/create-function-transact-sql?view=sql-server-2017
NEW QUESTION: 4
Which of the following DoS attacks affects mostly Windows computers by sending corrupt UDP packets?
A. Ping flood
B. Smurf
C. Fraggle
D. Bonk
Answer: D
Explanation:
Bonk attack is a variant of the teardrop attack that affects mostly Windows computers by sending corrupt UDP packets to DNS port 53. It is a type of denial-of-service (DoS) attack. A bonk attack manipulates a fragment offset field in TCP/IP packets. This field tells a computer how to reconstruct a packet that was fragmented, because it is difficult to transmit big packets. A bonk attack causes the target computer to reassemble a packet that is too big to be reassembled and causes the target computer to crash. Answer option B is incorrect. In a smurf DoS attack, an attacker sends a large amount of ICMP echo request traffic to the IP broadcast addresses. These ICMP requests have a spoofed source address of the intended victim. If the routing device delivering traffic to those broadcast addresses delivers the IP broadcast to all the hosts, most of the IP addresses send an ECHO reply message. However, on a multi-access broadcast network, hundreds of computers might reply to each packet when the target network is overwhelmed by all the messages sent simultaneously. Due to this, the network becomes unable to provide services to all the messages and crashes. Answer option A is incorrect. In a fraggle DoS attack, an attacker sends a large amount of UDP echo request traffic to the IP broadcast addresses. These UDP requests have a spoofed source address of the intended victim. If the routing device delivering traffic to those broadcast addresses delivers the IP broadcast to all the hosts, most of the IP addresses send an ECHO reply message. However, on a multi-access broadcast network, hundreds of computers might reply to each packet when the target network is overwhelmed by all the messages sent simultaneously. Due to this, the network becomes unable to provide services to all the messages and crashes. Answer option D is incorrect. In a ping flood attack, an attacker sends a large number of ICMP packets to the target computer using the ping command, i.e., ping -f target_IP_address. When the target computer receives these packets in large quantities, it does not respond and hangs. However, for such an attack to take place, the attacker must have sufficient Internet bandwidth, because if the target responds with an "ECHO reply ICMP packet" message, the attacker must have both the incoming and outgoing bandwidths available for communication.
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