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NEW QUESTION: 1



A. Option B
B. Option D
C. Option F
D. Option C
E. Option E
F. Option A
Answer: A,B,C
Explanation:
The ports on the switch are not up indicating it is a layer 1 (physical) problem so we should check cable type, power and how they are plugged in.

NEW QUESTION: 2
Which two VLANs are reserved for system use only? (Choose two)
A. 0
B. 1
C. 2
D. 3
E. 4
Answer: C,E
Explanation:
Explanation
Explanation
The VLANs 0 and 4095 are reserved by the IEEE 802.1Q standard and you cannot create, delete, or modify them so they are the correct answers.
Note:
+ VLAN 0 and 4095 are reserved for system use only. You cannot see or use these VLANs.
+ VLAN 1 and VLANs 1002-1005 are default VLANs. Default VLANs are created automatically and cannot be configured or deleted by users.
+ VLAN 2 to 1001 are normal VLANs. You can create, use and delete them.
+ VLAN 1002 to 1005 are normal VLANs too but Cisco reserved for FDDI an Token Ring.

NEW QUESTION: 3
View the Exhibit and examine the description for the PRODUCTS and SALES table.

PROD_ID is a primary key in the PRODUCTS table and foreign key in the SALES table with ON DELETE CASCADE option. The SALES table contains data for the last three years. You want to remove all the rows from the PRODUCTS table for which no sale was done for the last three years.
Which is the valid DELETE statement?
A. DELETEFROM productsWHERE prod_id = (SELECT prod_idFROM salesWHERE time_id - 3*365 = SYSDATE );
B. DELETEFROM productsWHERE prod_id IN (SELECT prod_idFROM salesWHERE SYSDATE - 3*365
>= time_id);
C. DELETEFROM productsWHERE prod_id IN (SELECT prod_idFROM salesWHERE time_id >= SYSDATE - 3*365 );
D. DELETEFROM productsWHERE prod_id = (SELECT prod_idFROM salesWHERE SYSDATE >= time_id - 3*365 );
Answer: B
Explanation:
Explanation/Reference:
Explanation:

NEW QUESTION: 4
Amazon EC2インスタンスで実行されているアプリケーションは、AWS KMS暗号化キー（SSE-KMS）を使用したサーバー側暗号化を使用して暗号化されたAmaonS3バスケット内のオブジェクトにアクセスする必要があります。アプリケーションは、オブジェクトを復号化するためにカスタマーマスターキー（CMK）にアクセスできる必要があります。
アプリケーションにアクセスを許可する手順の組み合わせはどれですか？ （2つ選択してください。）
A. IAMポリシーがキーへのアクセスを許可できるようにするキーポリシーを記述します。
B. アプリケーションのEC2インスタンスにアタッチされたIAMEC2ロールのキーへのアクセスを許可します。
C. S3バケットのACLのキーへのアクセスを許可する
D. キーへのバケットアクセスを許可するS3バケットポリシーを記述します。
E. KMSキーをEC2インスタンスに公開するSystemsManagerパラメーターを作成します。
Answer: A,B
Explanation:
Explanation
https://aws.amazon.com/premiumsupport/knowledge-center/decrypt-kms-encrypted-objects-s3/ IAM role needs access to the keys to decrypt the object and key policies must allow role access to the key. Key policies are the primary way to control access to customer master keys (CMKs) in AWS KMS. You need the permission to decrypt the AWS KMS key. When a user sends a GET request, Amazon S3 checks if the AWS Identity and Access Management (IAM) user or role that sent the request is authorized to decrypt the key associated with the object. If the IAM user or role belongs to the same AWS account as the key, then the permission to decrypt must be granted on the AWS KMS key's policy.